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/shared/flagicon/flags/1x1/ax.svg

@@ -0,0 +1,18 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="512" width="512" viewBox="0 0 512 512">
+  <defs>
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+    </clipPath>
+  </defs>
+  <g clip-path="url(#a)" transform="translate(-100) scale(.6024)">
+    <path fill="#0053a5" d="M0 0h1300v850H0z"/>
+    <g fill="#ffce00">
+      <path d="M400 0h250v850H400z"/>
+      <path d="M0 300h1300v250H0z"/>
+    </g>
+    <g fill="#d21034">
+      <path d="M475 0h100v850H475z"/>
+      <path d="M0 375h1300v100H0z"/>
+    </g>
+  </g>
+</svg>