Add partnership request API with media uploads and admin listing.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/storage/storage-keys.ts

@@ -8,6 +8,7 @@
  *     brands/{uuid}{ext}
  *     users/{uuid}{ext}
  *     stores/{uuid}{ext}
+ *     partnership/{uuid}{ext}
  *     temp/{uuid}{ext}
  */
 const ROOT = 'mana-collection';
@@ -40,6 +41,10 @@ export function websiteMediaKey(fileName: string): string {
   return `${ROOT}/website/${fileName}`;
 }
 
+export function partnershipMediaKey(fileName: string): string {
+  return `${ROOT}/partnership/${fileName}`;
+}
+
 export function tempMediaKey(fileName: string): string {
   return `${ROOT}/temp/${fileName}`;
 }