Add .github directory with contribution guidelines

.github/ISSUE_TEMPLATE.md

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+<!--
+Please help prevent duplicates by searching existing issues first 🙂
+
+Here are a few helpful tips, depending on what type of issue you are creating:
+
+[Bug] – Provide a detailed description, as well as steps for anyone to reproduce the issue
+[Feature Request] – Provide concrete use cases to go along with these requests
+[Question] – Ask whatever you want!
+-->
+
+- Surfingkeys Version:
+- Surfingkeys-conf Version (git hash): 
+- Operating System: ___
+- Browser Version: ___
+
+## Details
+
+<!--
+Place issue details here.
+
+Make sure to place code or log outputs within code tags:
+
+```
+function hello() {
+	console.log("Hello world");
+}
+```
+
+-->

.github/PULL_REQUEST_TEMPLATE.md

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+<!--
+Please open an [Issue](https://github.com/b0o/surfingkeys-conf/issues/new) first to discuss new 
+features or non-trivial changes. Please provide as much detail as possible on the change as
+possible including general description, implementation details, potential shortcommings, etc.
+
+If this PR closes an issue, please mention "Closes #XX" where #XX is the issue number.
+-->
+

.github/config.yml

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+# Comment to be posted to on first time issues
+newIssueWelcomeComment: |
+    👋 Thanks for opening your first issue! If you're reporting a 🐞 bug, please make sure
+    you include steps to reproduce it. If you're requesting a feature 🎁, please provide real
+    use cases that would benefit. 👪
+
+    Please use proper text formatting to make your issue easy to read and
+    understand. See the
+    [GitHub Markdown Guide](https://guides.github.com/features/mastering-markdown/)
+    for help.
+
+# Comment to be posted to on PRs from first time contributors in your repository
+newPRWelcomeComment: |
+    💖 Thanks for opening this pull request! 💖
+
+    Please use proper text formatting to make your pull request description easy
+    to read and understand. See the
+    [GitHub Markdown Guide](https://guides.github.com/features/mastering-markdown/)
+    for help.
+
+# Comment to be posted to on pull requests merged by a first time user
+firstPRMergeComment: >
+    Congrats on merging your first pull request! 🎉🎉🎉 Great moves, keep it up. Proud of you 💖
+

.github/stale.yml

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+daysUntilStale: 60
+daysUntilClose: 7
+exemptLabels:
+    - High Priority
+    - Accepted
+    - Help Wanted
+    - Needs Discussion
+    - Blocked
+    - Bug
+staleLabel: Stale
+markComment: >
+    This issue has been automatically marked as stale because it has not had
+    recent activity. It will be closed if no further activity occurs. Thank you
+    for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false