Update release notes after release (#55)

Reset to release note template.

Author: flora-hofmann-frequenz

RELEASE_NOTES.md

@@ -2,13 +2,16 @@
 
 ## Summary
 
+<!-- Here goes a general summary of what this release is about -->
+
 ## Upgrading
 
-## New Features
+<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
 
-* The `ReportingApiClient` exposes the resampling option of the data, with its 
-resolution represented in second and its default set to `None`.
+## New Features
 
-* Updated README with usage instructions.
+<!-- 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 -->