feat(api): add storages endpoints for applications

Add GET and PATCH /applications/{uuid}/storages routes to list and
update persistent and file storages for an application, including
support for toggling is_preview_suffix_enabled.

openapi.yaml

@@ -2170,6 +2170,80 @@ paths:
       security:
         -
           bearerAuth: []
+  '/applications/{uuid}/storages':
+    get:
+      tags:
+        - Applications
+      summary: 'List Storages'
+      description: 'List all persistent storages and file storages by application UUID.'
+      operationId: list-storages-by-application-uuid
+      parameters:
+        -
+          name: uuid
+          in: path
+          description: 'UUID of the application.'
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: 'All storages by application UUID.'
+        '401':
+          $ref: '#/components/responses/401'
+        '400':
+          $ref: '#/components/responses/400'
+        '404':
+          $ref: '#/components/responses/404'
+      security:
+        -
+          bearerAuth: []
+    patch:
+      tags:
+        - Applications
+      summary: 'Update Storage'
+      description: 'Update a persistent storage or file storage by application UUID.'
+      operationId: update-storage-by-application-uuid
+      parameters:
+        -
+          name: uuid
+          in: path
+          description: 'UUID of the application.'
+          required: true
+          schema:
+            type: string
+      requestBody:
+        description: 'Storage updated.'
+        required: true
+        content:
+          application/json:
+            schema:
+              required:
+                - id
+                - type
+              properties:
+                id:
+                  type: integer
+                  description: 'The ID of the storage.'
+                type:
+                  type: string
+                  enum: [persistent, file]
+                  description: 'The type of storage: persistent or file.'
+                is_preview_suffix_enabled:
+                  type: boolean
+                  description: 'Whether to add -pr-N suffix for preview deployments.'
+              type: object
+      responses:
+        '200':
+          description: 'Storage updated.'
+        '401':
+          $ref: '#/components/responses/401'
+        '400':
+          $ref: '#/components/responses/400'
+        '404':
+          $ref: '#/components/responses/404'
+      security:
+        -
+          bearerAuth: []
   /cloud-tokens:
     get:
       tags: