Update issue templates (#269)

* Update issue templates

Co-authored-by: Torsten Kilias <[email protected]>

.github/ISSUE_TEMPLATE/release.md

@@ -0,0 +1,33 @@
+---
+name: Create Release
+about: Create a new release of the AI-Lab
+title: "\U0001F4E6 Create Release <version>"
+labels: task
+assignees: ''
+
+---
+
+* [ ] Adjust version number in file `pyproject.toml`
+
+If you decided to change the version number then
+* [ ] Run `poetry run version-check <path/version.py> --fix` (only when using PTB)
+* [ ] Rename latest file `doc/changes/changes_*.md` accordingly
+* [ ] Update reference in file `doc/changes/changelog.md`
+* [ ] Update version number in latest file `doc/changes/changes_*.md`
+
+Always
+* latest file `doc/changes/changes_*.md`
+  * [ ] Append release date to first line
+  * [ ] Add a code name and a summary
+* Update version number in user guide
+  * [ ] `user_guide/docker/docker-usage.md`
+  * [ ] `user_guide/vm-edition/win-vbox.md`
+* Update version number in developer guide
+  * [ ] `testing.md`
+
+Ship the Actual Release
+* [ ] Run release droid `java -jar ~/java/jar/release-droid-*.jar -n ai-lab --goal release`
+* [ ] Edit the Release on GitHub making the draft final
+
+Post-Release Actions
+* [ ] Update links in file `README.md` to point to the tag on GitHub