Can attach file to movement

moneymgr_backend/src/controllers/server_controller.rs

@@ -42,6 +42,7 @@ pub struct ServerConstraints {
     pub token_max_inactivity: LenConstraints,
     pub account_name: LenConstraints,
     pub movement_label: LenConstraints,
+    pub file_allowed_types: &'static [&'static str],
 }
 
 impl Default for ServerConstraints {
@@ -52,6 +53,13 @@ impl Default for ServerConstraints {
             token_max_inactivity: LenConstraints::new(3600, 3600 * 24 * 365),
             account_name: LenConstraints::not_empty(50),
             movement_label: LenConstraints::not_empty(200),
+            file_allowed_types: &[
+                "image/jpeg",
+                "image/png",
+                "image/webp",
+                "image/gif",
+                "application/pdf",
+            ],
         }
     }
 }