adding PR template , moving CONTRIBUTING

.github/CONTRIBUTING.md

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+Thanks for your interest on contributing to this repo
+=====================================================
+
+To keep things simple and organized, we need to keep some basic rules when adding new links:
+
+- Make sure the link you are adding is not already added
+- Make sure the link is relevant to this repo. We are focusing on game development here.
+- Make sure the list you are adding is kept alphabetically ordered. This make it easier to find the links
+- Be nice, be cool, and we will always :heart: you!
+
+
+:)

.github/PULL_REQUEST_TEMPLATE.md

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+Why do you think the link is worth adding on this list?
+Please describe the answer here
+
+Does this project has any License?
+Please describe the answer here
+