Update CONTRIBUTING.md

CONTRIBUTING.md

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-Guidelines for contributing
+## Contributing Issues
+
+### Before Submitting an Issue
+First, please do a search in open issues to see if the issue or feature request has already been filed. If there is an issue add your comments to this issue.
+
+The Code project is distributed across multiple repositories, try to file the issue against the correct repository [[Related Projects]].
+
+If your issue is a question then please ask the question on [Stack Overflow](https://stackoverflow.com/questions/tagged/vscode) using the tag `vscode`. 
+
+## Writing Good Bug Reports and Feature Requests
+
+File a single issue per problem and feature request, do not file combo issues.
+
+The more information you can provide, the more likely someone will be successful reproducing the issue and finding a fix. Therefore:
+
+* Provide reproducable steps, what the result of the steps was, an what you would have expected.
+* Description of what you expect to happen
+* Animated GIFs
+* Code that demonstrates the issue
+* Version of VS Code
+* Errors in the Dev Tools Console (Help | Toggle Developer Tools)
+* When you have extensions installed, can you reproduce the issue when starting vscode without extensions by using `--disable-extensions`? 
+