Feat/local-plugin (#1125)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit


• New Features  
 - Enhanced the login experience with improved session management and
two-factor authentication.
 - Introduced a comprehensive README for the Unraid Plugin Builder,
detailing development workflows and commands.

• Chores  
 - Streamlined build, packaging, and deployment processes with updated
dependency and environment configurations.
 - Updated Docker configurations to support pnpm as the package manager.
 - Added new environment variables for better configuration management.
 - Introduced new scripts for improved build and packaging processes.  

• Tests  
 - Removed outdated test cases and simplified test setups.  

• Refactor  
 - Modernized internal code structure and asynchronous handling for
improved overall performance.
 - Transitioned imports from lodash to lodash-es for better module
handling.
 - Updated environment variable management and configuration settings.  
 - Enhanced the build script for improved deployment processes.  
 - Updated the notification handling structure to improve efficiency.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

plugin/scripts/makepkg

@@ -380,7 +380,7 @@ else
 fi
 if [ "$CHOWN" = "y" ]; then
   find . -type d -exec chmod -v 755 {} \;
-  find . -type d -exec chown -v root.root {} \;
+  find . -type d -exec chown -v root:root {} \;
 fi
 
 # Ensure that the 'root' of the package is chmod 755 because