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/fonts/icomoonmlm.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata>
+This is a custom SVG font generated by IcoMoon.
+<iconset grid="16"></iconset>
+</metadata>
+<defs>
+<font id="icomoon" horiz-adv-x="512" >
+<font-face units-per-em="512" ascent="480" descent="-32" />
+<missing-glyph horiz-adv-x="512" />
+<glyph unicode="&#xe000;" d="M 96.00,416.00L 416.00,224.00L 96.00,32.00 z"  />
+<glyph unicode="&#x20;" horiz-adv-x="256" />
+<glyph class="hidden" unicode="&#xf000;" d="M0,480L 512 -32L0 -32 z" horiz-adv-x="0" />
+</font></defs></svg>