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+# Introduction
+
+Thank you for your interest in contributing to µD3TN!
+
+If you have any questions or need support in deploying µD3TN, please reach out
+to the maintainers directly via contact@d3tn.com before opening an issue.
+D3TN GmbH also offers commercial support and adaptation services for µD3TN.
+
+The processes documented here might change over time, thus, please regularly
+check this document for updates.
+
+# Submission of Issues and Enhancements
+
+Please don't hesitate to open new issues on our issue tracker, provided that
+the subject of submission is not already covered in any existing one.
+In the issue body, please indicate the problem along with your expectations
+(what should happen instead) and any conditions that might have an influence
+as detailed as possible.
+
+If you found a security-related bug, please mark the issue as confidential or
+contact the maintainers directly.
+
+# Submission of Changes
+
+- Before you create a merge request, please make sure that the subject of change
+  is covered by an issue.
+- Only submissions conformant to the Developer Certificate of Origin can be
+  accepted into µD3TN. Please see the DCO Version 1.1 for details, available at
+  <DCO.txt> or via https://developercertificate.org/.
+  When making a contribution you have to explicitly agree to these terms,
+  using your real name. For this purpose, append a sign-off at the end of all
+  Git commits in a format like `Signed-off-by: Joe Smith <joe.smith@email.com>`.
+  This can be done automatically, if you set `user.name` and `user.email` in
+  your Git configuration and pass the `-s` option to `git commit`.
diff --git a/DCO.txt b/DCO.txt
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+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+Suite D4700
+San Francisco, CA, 94129
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.