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/uploader/i18n/fa.js

@@ -0,0 +1,2 @@
+// Persian (fa)
+plupload.addI18n({"Stop Upload":"توقف انتقال","Upload URL might be wrong or doesn't exist.":"Upload URL might be wrong or doesn't exist.","tb":"","Size":"سایز","Close":"بستن","Init error.":"خطا در استارت اسکریپت","Add files to the upload queue and click the start button.":"اضافه کنید فایل ها را به صف آپلود و دکمه شروع را کلیک کنید.","Filename":"نام فایل","Image format either wrong or not supported.":"Image format either wrong or not supported.","Status":"وضعیت","HTTP Error.":"HTTP خطای","Start Upload":"شروع انتقال","mb":"","kb":"","Duplicate file error.":"","File size error.":"خطای سایز فایل","N/A":"N/A","gb":"","Error: Invalid file extension:":"Error: Invalid file extension:","Select files":"انتخاب فایل","%s already present in the queue.":"","File: %s":" فایل ها : %s","b":"","Uploaded %d/%d files":"منتقل شد %d/%d از فایلها","Upload element accepts only %d file(s) at a time. Extra files were stripped.":"عنصر بارگذار فقط %d فایل رو در یک زمان  می پذیرد. سایر فایل ها مجرد از این موضوع هستند.","%d files queued":"%d فایل در صف","File: %s, size: %d, max file size: %d":"","Drag files here.":"بکشید فایل ها رو به اینجا","Runtime ran out of available memory.":"Runtime ran out of available memory.","File count error.":"خطای تعداد فایل","File extension error.":"خطا پیشوند فایل","Error: File too large:":"Error: File too large:","Add Files":"افزودن فایل"});