Add bug report template

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,92 @@
+# This template is inspired from https://github.com/metaopt/optree
+
+name: 🐛 Bug Report
+description: File an issue about a bug.
+title: "[BUG] "
+labels: [bug]
+# assignees: [patel-zeel]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please do your best to make the issue as easy to act on as possible.
+
+  - type: checkboxes
+    id: steps
+    attributes:
+      label: Required prerequisites
+      description: Make sure you've completed the following steps before submitting your issue -- thank you!
+      options:
+        - label: I have read [this post from stackoverflow](https://stackoverflow.com/help/minimal-reproducible-example) on creating a minimal, reproducible example
+          required: true
+        - label: I have searched the [Issue Tracker](https://github.com/sustainability-lab/ASTRA/issues) that this hasn't already been reported. (comment there if it has.)
+          required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: What version of ASTRA are you using?
+      description: Run command `python3 -c 'print(__import__("astra").__version__)'` in your shell and paste the output here.
+      placeholder: E.g., 0.5.0
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: What Python version are you using?
+      description: Run command `python -V` in your shell and paste the output here.
+      placeholder: E.g., Python 3.11.5
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Problem description
+      description: >-
+        Provide a short description, state the expected behavior, what actually happens and any useful commands / output.
+    validations:
+      required: true
+
+  - type: textarea
+    id: code
+    attributes:
+      label: Reproducible example code
+      description: >-
+        The code should be minimal, have minimal external dependencies, and isolate the functions
+        that cause breakage. Submit matched and complete snippets that can be easily run to diagnose
+        the issue.
+      value: |
+        The Python snippets:
+
+        ```python
+
+        ```
+    validations:
+      required: true
+
+  - type: textarea
+    id: traceback
+    attributes:
+      label: Traceback
+      description: Put the Python traceback information here.
+      placeholder: |
+        Traceback (most recent call last):
+          File ...
+      render: pytb
+
+  # - type: textarea
+  #   id: expected
+  #   attributes:
+  #     label: Expected behavior
+  #     description: Provide a clear and concise description of what you expected to happen.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: >-
+        Add any other context about the problem here. Screenshots may also be helpful.
+
+        If you know or suspect the reason for this bug, paste the code lines and suggest modifications.