feat: Add comprehensive documentation suite and reorganize project structure

- Created complete documentation in docs/ directory
- Added PROJECT_OVERVIEW.md with feature highlights and getting started guide
- Added ARCHITECTURE.md with system design and technical details
- Added SECURITY.md with comprehensive security implementation guide
- Added DEVELOPMENT.md with development workflows and best practices
- Added DEPLOYMENT.md with production deployment instructions
- Added API.md with complete REST API documentation
- Added CONTRIBUTING.md with contribution guidelines
- Added CHANGELOG.md with version history and migration notes
- Reorganized all documentation files into docs/ directory for better organization
- Updated README.md with proper documentation links and quick navigation
- Enhanced project structure with professional documentation standards

f_scripts/fe/js/onloadCSS.js

@@ -0,0 +1,29 @@
+/*! onloadCSS: adds onload support for asynchronous stylesheets loaded with loadCSS. [c]2016 @zachleat, Filament Group, Inc. Licensed MIT */
+/* global navigator */
+/* exported onloadCSS */
+function onloadCSS( ss, callback ) {
+	var called;
+	function newcb(){
+			if( !called && callback ){
+				called = true;
+				callback.call( ss );
+			}
+	}
+	if( ss.addEventListener ){
+		ss.addEventListener( "load", newcb );
+	}
+	if( ss.attachEvent ){
+		ss.attachEvent( "onload", newcb );
+	}
+
+	// This code is for browsers that don’t support onload
+	// No support for onload (it'll bind but never fire):
+	//	* Android 4.3 (Samsung Galaxy S4, Browserstack)
+	//	* Android 4.2 Browser (Samsung Galaxy SIII Mini GT-I8200L)
+	//	* Android 2.3 (Pantech Burst P9070)
+
+	// Weak inference targets Android < 4.4
+ 	if( "isApplicationInstalled" in navigator && "onloadcssdefined" in ss ) {
+		ss.onloadcssdefined( newcb );
+	}
+}