Add Code of Conduct (#973)

* Add code of conduct

* Small edits

CODE_OF_CONDUCT.md

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+# Code of Conduct
+
+## Our Pledge
+
+We, as members, contributors, creators, stewards, and maintainers, i.e. all the
+participants, of UXarray pledge to make participation in our software, system
+or hardware project and community a safe, healthy, open, productive, welcoming,
+diverse, inclusive, and harassment-free experience for everyone, regardless of
+age, body size, visible or invisible disability, ethnicity, sex characteristics,
+gender identity and expression, level of experience, education, socio-economic
+status, nationality, personal appearance, race, caste, color, religion, or
+sexual identity and orientation, as well as any other characteristic protected
+under applicable US federal or state law.
+
+All participants are required to abide by this Code of Conduct.
+
+## Our Standards
+
+Examples of behaviors that contribute to a positive environment for our community
+include:
+
+- Demonstrating empathy and kindness toward other people
+- Being considerate and respectful of and collaborative with differing opinions,
+  viewpoints, and experiences
+- Acknowledging the contributions of others
+- Giving and gracefully accepting constructive feedback
+- Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+- Focusing on what is best not just for us as individuals, but for the overall
+  community
+- Respecting the rules and policies of the project and venue
+
+Examples of unacceptable behavior include, but are not limited to:
+
+- Public or private harassment, intimidation, or discrimination in any form
+- Physical, verbal, or written abuse by anyone to anyone, including repeated
+  use of pronouns other than those requested
+- The use of sexualized language or imagery, and sexual attention or advances
+  of any kind
+- Personal attacks directed at other guests, members, participants, etc.
+- Publishing others’ private information, such as a physical or electronic
+  address, without explicit permission
+- Alarming, intimidating, threatening, or hostile comments or conduct
+- Threatening or stalking anyone, including a participant
+- Trolling, insulting or derogatory comments, and personal or political attacks
+- Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
+
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
+
+## Scope
+
+This Code of Conduct applies to all community spaces managed by UXarray whether
+they be physical, online or face-to-face, and also applies when an individual is
+officially representing the community in public spaces. This includes but is not
+limited to project code, code repository, associated web pages, documentation,
+mailing lists, project websites and wiki pages, issue tracker, meetings, telecons,
+events, use of official email or social media accounts, and any other forums
+created by the project team which the community uses for communication. In
+addition, violations of this Code of Conduct outside these spaces may affect a
+person's ability to participate within them. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the the `@UXARRAY/uxarray-dev` GitHub handle as the community leaders
+in this group can view and manage the reported content, and hence are responsible
+for enforcement.
+
+All complaints will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series of
+actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or permanent
+ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior, harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within the
+community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant Code of Conduct,
+version 2.1][homepage], [version 2.1][v2.1].
+
+Community Impact Guidelines were inspired by
+[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
+
+For answers to common questions about this code of conduct, see the FAQ at
+[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at
+[https://www.contributor-covenant.org/translations][translations].
+
+[homepage]: https://www.contributor-covenant.org
+[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
+[Mozilla CoC]: https://github.com/mozilla/diversity
+[FAQ]: https://www.contributor-covenant.org/faq
+[translations]: https://www.contributor-covenant.org/translations