feat: Implement comprehensive security enhancements and deployment guide for AmayoWeb

- Added a detailed deployment guide (DEPLOYMENT_GUIDE.md) for frontend and backend setup.
- Created an index documentation (INDEX.md) summarizing changes and available resources.
- Established Nginx security configuration (NGINX_SECURITY_CONFIG.md) to protect backend IP and enforce rate limiting.
- Developed a backend security guide (SECURITY_BACKEND_GUIDE.md) outlining security measures and best practices.
- Introduced middleware for security, including rate limiting, CORS, and Cloudflare validation.
- Updated frontend components and services to improve security and user experience.
- Implemented logging and monitoring strategies for better security oversight.

AEditor/src-tauri/Cargo.toml

@@ -28,4 +28,5 @@ regex = "1"
 reqwest = { version = "0.11", features = ["json", "blocking"] }
 tokio = { version = "1", features = ["full"] }
 uuid = { version = "1", features = ["v4"] }
+sha2 = "0.10"