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CONTRIBUTION.md

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+# Contributing to Openswan
+
+First of, thank you for taking the time to contribute.
+
+*Before spending a lot of time on something, please ask for feedback on your
+idea first!* You can ask in the [mailing list](https://lists.openswan.org/mailman/listinfo/dev)
+or create an [issue](https://github.com/xelerance/Openswan/issues).
+
+## **Did you find a bug?**
+
+To report a security issue please send an e-mail to security@xelerance.com
+
+For non-security problems, ensure the bug was not already reported by
+searching on GitHub under "[Issues](https://github.com/xelerance/Openswan/issues)"
+and "[Pull requests](https://github.com/xelerance/Openswan/pulls)". In
+addition, please look at the COMPATIBILITY_ISSUES file.
+
+When reporting an issue, please provide output and the content of the logs.
+
+## **Did you write a patch that fixes a bug?**
+
+* Open a new GitHub pull request with the patch.
+* Ensure the PR description clearly describes the problem and solution.
+  Include the relevant issue number if applicable.
+* Always write a clear log message for your commits. One-line messages are
+  fine for small changes, but bigger changes should look like this:
+
+    $ git commit -m "A brief summary of the commit
+    >
+    > A paragraph describing what changed and its impact."
+
+    $ git commit -m "A brief summary of the commit
+    >
+    > A paragraph describing what changed and its impact."
+