Create release_note.md

Added GA 2.0.0 release notes

Author: AndrasZiegler

docs/release_note.md

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+# Release Notes
+
+## GA release [2.0.0] - 2024-12-04
+
+Initial public release of the project.
+
+### New Features
+- Feature 1: CICD added
+  - Code Convention checking
+  - Firmware build
+  - SonarQube static code analizer check
+  - Trufflehog secret scanner
+  - CLA assistant
+- Feature 2: Necessary public repo documentation was added.
+
+### Enhancements
+
+### Bug Fixes
+
+### Known Issues
+- Issue 1: Locator projects readme files have broken image links
+
+### Deprecated
+
+### Removed
+
+### Notes