Add release notes

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,34 @@
+## Notes for Reviewer
+<!-- Items in addition to the checklist below that the reviewer should look for -->
+
+## Pre-Review Checklist for the PR Author
+
+* [ ] Add sensible notes for the reviewer
+* [ ] PR title is short, expressive and meaningful
+* [ ] Relevant issues are linked in the [References](#references) section
+* [ ] Every source code file has a copyright header with `SPDX-License-Identifier: Apache-2.0 OR MIT`
+* [ ] Branch follows the naming format (`rmw-iox2-123-implement-graph-api`)
+* [ ] Commit messages have the issue ID (`[#123] Add posix ipc example`)
+* [ ] Tests exist for new behavior
+* [ ] Changelog updated [in the unreleased section][changelog] including API breaking changes
+* [ ] Assign PR to reviewer
+
+[changelog]: https://github.com/ekxide/rmw_iceoryx2/blob/main/doc/release-notes/unreleased.md
+
+## Checklist for the PR Reviewer
+
+* [ ] Commits are properly organized and messages are according to the guideline
+* [ ] Unit tests have been written for new behavior
+* [ ] Public API is documented
+* [ ] PR title describes the changes
+
+## Post-review Checklist for the PR Author
+
+* [ ] All open points are addressed and tracked via issues
+
+## References
+
+<!-- Use either 'Closes #123' or 'Relates to #123' to reference the corresponding issue. -->
+
+Closes # <!-- Add issue number after '#' -->
+

doc/release-notes/template.md

@@ -0,0 +1,62 @@
+# rmw_iceoryx2 v?.?.?
+
+## [vx.x.x](https://github.com/ekxide/rmw_iceoryx2/tree/vx.x.x)
+
+[Full Changelog](https://github.com/ekxide/rmw_iceoryx2/compare/vx.x.x...vx.x.x)
+
+### Features
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Bugfixes
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Refactoring
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Workflow
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### New API features
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### API Breaking Changes
+
+1. Example
+
+   ```cpp
+   // old
+   auto fuu = Hello::is_it_me_you_re_looking_for();
+
+   // new
+   auto fuu = Hypnotoad::all_glory_to();
+   ```

doc/release-notes/unreleased.md

@@ -0,0 +1,62 @@
+# rmw_iceoryx2 v?.?.?
+
+## [vx.x.x](https://github.com/ekxide/rmw_iceoryx2/tree/vx.x.x)
+
+[Full Changelog](https://github.com/ekxide/rmw_iceoryx2/compare/vx.x.x...vx.x.x)
+
+### Features
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Bugfixes
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Refactoring
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### Workflow
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### New API features
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Example text [#1](https://github.com/ekxide/rmw_iceoryx2/issues/1)
+
+### API Breaking Changes
+
+1. Example
+
+   ```cpp
+   // old
+   auto fuu = Hello::is_it_me_you_re_looking_for();
+
+   // new
+   auto fuu = Hypnotoad::all_glory_to();
+   ```

doc/release-notes/v0.1.0.md

@@ -0,0 +1,29 @@
+# rmw_iceoryx2 v0.1.0
+
+## [v0.1.0](https://github.com/ekxide/rmw_iceoryx2/tree/v0.1.0)
+
+[Full Changelog](https://github.com/ekxide/rmw_iceoryx2/commits/v0.1.0)
+
+### Features
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Add boilerplate for RMW implementation
+* Implement RMW context/node/guard condition/waitset/log/gid functions
+* Implement loan & copy functionality for publisher/subscriber
+* Implement RMW graph functions as much as possible with existing [`iceoryx2`](https://github.com/eclipse-iceoryx/iceoryx2) capabilities
+* Add helper scripts for measuring [`rmw_iceoryx2`](https://github.com/ekxide/rmw_iceoryx2) performance with [`performance_test`](https://gitlab.com/ApexAI/performance_test/-/tree/master/performance_test)
+
+### Workflow
+
+<!--
+    NOTE: Add new entries sorted by issue number to minimize the possibility of
+    conflicts when merging.
+-->
+
+* Add README
+* Set up boilerplate for open-source contributions
+