Add release notes template and update release notes

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

.github/RELEASE_NOTES.template.md

@@ -0,0 +1,17 @@
+# Frequenz Dispatch API Release Notes
+
+## Summary
+
+<!-- Here goes a general summary of what this release is about -->
+
+## Upgrading
+
+<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
+
+## New Features
+
+<!-- Here goes the main new features and examples or instructions on how to use them -->
+
+## Bug Fixes
+
+<!-- Here goes notable bug fixes that are worth a special mention or explanation -->

RELEASE_NOTES.md

@@ -1,4 +1,17 @@
-# Release notes
-
-- Package-based versioning has been introduced.
-  - As part of this, the protobuf definitions and generated python code now has the path `frequenz.dispatch.v1`.
+# Frequenz Dispatch API Release Notes
+
+## Summary
+
+<!-- Here goes a general summary of what this release is about -->
+
+## Upgrading
+
+- As part of introducing versioning, the protobuf definitions and generated python code now has the path `frequenz.dispatch.v1`.
+
+## New Features
+
+- Package-based versioning has been introduced.
+
+## Bug Fixes
+
+<!-- Here goes notable bug fixes that are worth a special mention or explanation -->