contributing.md first commit

Added the contributing file to explain the project dependencies and how to run a local version.
A small update in the /gae/run.sh was made to allow the file to be executed from any other folder.

Fixes matryer#21

CONTRIBUTING.md

@@ -0,0 +1,39 @@
+# Contributing to Gopherize.me
+
+[gopherize.me](https://gopherize.me) is an open source project. Your help is very welcome!
+
+## Filing issues
+
+Sensitive security-related issues should be reported to [Mat Ryer directly](https://twitter.com/matryer).
+
+For any other problem fill up a new issue describing your feature request or problem.
+
+## Contributing code
+To use Github you will need to install [Git](https://git-scm.com/downloads) and (optional) [Github credentials setup](https://help.github.com/articles/connecting-to-github-with-ssh/)
+
+1. File up a new issue (or use an existing open one)
+2. [Fork this repository](https://help.github.com/articles/fork-a-repo/)
+3. [Download your repository](https://help.github.com/articles/cloning-a-repository/) on your computer
+4. Make a new branch `git checkout -b myNewBranch`
+5. Update your repository and [make a pull request](https://help.github.com/articles/creating-a-pull-request/)
+
+
+## Installing the project
+In order to make the project work on your local computer you need the following:
+
+* [Google Cloud SDK](https://cloud.google.com/sdk/install) with the **App Engine Go Extensions** component installed.
+* [Go](https://golang.org/doc/install) the language and tools
+* the local copy of your repository must be in the [GOPATH folder](https://github.com/golang/go/wiki/SettingGOPATH)
+* run `go get ./...` in the project main folder, in order to install its dependencies
+
+## Run the project
+The project runs using the local [Google App Engine development server](https://cloud.google.com/appengine/docs/standard/go/tools/using-local-server). The command that runs it is already written in a [bash file](./gae/run.sh). 
+
+```bash
+./gae/run.sh
+```
+Windows/others see the [Development server docs](https://cloud.google.com/appengine/docs/standard/go/tools/using-local-server#running_the_local_development_server).
+
+> Note: The config for the app engine server is `/gae/app.yaml`.
+
+After the server starts, you can visit [http://localhost:8080/](http://localhost:8080/) in your web browser to see the app in action.

gae/run.sh

@@ -1,2 +1,3 @@
 #!/bin/bash
+cd "$(dirname "$0")"
 dev_appserver.py --default_gcs_bucket_name gopherizeme.appspot.com ./app.yaml