Update version to 0.1.13

- Updated version number in all files
- Added changelog entries for code quality improvements
- Created release ZIP file

sonar-project.properties

@@ -2,7 +2,7 @@
 sonar.projectKey=wpallstars_wp-plugin-starter-template-for-ai-coding
 sonar.organization=wpallstars
 sonar.projectName=wp-plugin-starter-template-for-ai-coding
-sonar.projectVersion=0.1.12
+sonar.projectVersion=0.1.13
 
 # Path to source directories
 sonar.sources=.