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/mm.svg

@@ -0,0 +1,21 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="512" height="512" viewBox="0 0 5.12 5.12">
+  <defs>
+    <path id="a" transform="scale(8.844)" fill="#fff" d="M.162 0h-.324L0-.5z"/>
+    <g id="c">
+      <use xlink:href="#a" transform="rotate(-144)" width="18" height="12"/>
+      <use xlink:href="#a" transform="rotate(-72)" width="18" height="12"/>
+      <use xlink:href="#a" width="18" height="12"/>
+      <use xlink:href="#a" transform="rotate(72)" width="18" height="12"/>
+      <use xlink:href="#a" transform="rotate(144)" width="18" height="12"/>
+    </g>
+    <clipPath id="b">
+      <path d="M2.992-7.2h12v12h-12z"/>
+    </clipPath>
+  </defs>
+  <g transform="matrix(.42667 0 0 .42667 -1.277 3.072)" clip-path="url(#b)">
+    <path fill="#fecb00" d="M0-7.2h18v6H0z"/>
+    <path fill="#ea2839" d="M0-1.2h18v6H0z"/>
+    <path fill="#34b233" d="M0-3.2h18v4H0z"/>
+    <use transform="translate(0 -7.2)" height="12" width="18" y="6.422" x="9" xlink:href="#c"/>
+  </g>
+</svg>