Initial import

.github/issue_template.md

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+Thank you very much for your interest in TetGen! Reporting your issue helps to improve the code.
+
+### Legal
+By opening this issue, you agree to the terms of the Contributor License Agreement (CLA) stated in [CONTRIBUTING.md](https://codeberg.org/TetGen/TetGen/src/branch/main/CONTRIBUTING.md).
+
+### Kind of issue (bug, feature request...):
+
+### Issue description:
+
+### Expected behavior: 
+
+### Observed behavior: 
+
+### Environment:
+   - TeGen version:
+   - OS (e.g. MacOS 14):
+   - Architecture (e.g. x64, aarch64):
+   - Compiler vendor + version:
+
+### Minimum working example:
+
+Please attach input data which allow to reproduce the problem.

.github/pull_request_template.md

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+Thank you very much for helping to improve TetGen!
+
+### Legal:
+By opening this pull request, you agree to the terms of the Contributor License Agreement (CLA) stated in [CONTRIBUTING.md](https://codeberg.org/TetGen/TetGen/src/branch/main/CONTRIBUTING.md).
+
+- [ ] I have read and agree to the Contributor License Agreement in CONTRIBUTING.md
+
+### Pull request description:
+
+
+### Test data:
+Please provide input data which help to test the feature implemented in the pull request.