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/jquery.loadmask.js

@@ -0,0 +1 @@
+(function(a){a.fn.mask=function(c){this.unmask();if(this.css("position")=="static"){this.addClass("masked-relative")}this.addClass("masked");var d=a('<div class="loadmask"></div>');if(navigator.userAgent.toLowerCase().indexOf("msie")>-1){d.height(this.height()+parseInt(this.css("padding-top"))+parseInt(this.css("padding-bottom")));d.width(this.width()+parseInt(this.css("padding-left"))+parseInt(this.css("padding-right")))}if(navigator.userAgent.toLowerCase().indexOf("msie 6")>-1){this.find("select").addClass("masked-hidden")}this.append(d);if(typeof c=="string"){var b=a('<div class="loadmask-msg" style="display:none;"></div>');b.append("<div>"+c+"</div>");this.append(b);b.css("top",Math.round(this.height()/2-(b.height()-parseInt(b.css("padding-top"))-parseInt(b.css("padding-bottom")))/2)+"px");b.css("left",Math.round(this.width()/2-(b.width()-parseInt(b.css("padding-left"))-parseInt(b.css("padding-right")))/2)+"px");b.show()}};a.fn.unmask=function(b){this.find(".loadmask-msg,.loadmask").remove();this.removeClass("masked");this.removeClass("masked-relative");this.find("select").removeClass("masked-hidden")}})(jQuery);