feat: Add file metadata tracking and search functionality

- Implement FileMetadata model to track processed files
- Create file metadata handlers for listing, searching, and viewing files
- Add file metadata routes and UI components
- Support advanced file search with multiple filters
- Enhance job execution to capture file metadata during transfers
- Implement file hash and duplicate detection logic

internal/web/middleware/auth.go

@@ -1,3 +1,4 @@
+
 // AuthMiddleware is a middleware function that checks if the request has a valid JWT token
 func (m *Middleware) AuthMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
@@ -41,4 +42,4 @@ func (m *Middleware) AuthMiddleware() gin.HandlerFunc {
 
 		c.Next()
 	}
-} 
+}