Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/contracts/sendico/models/common/describable.yaml

@@ -0,0 +1,16 @@
+components:
+  schemas:
+    Describable:
+      description: Common naming metadata for user-defined entities.
+      type: object
+      additionalProperties: false
+      required:
+        - name
+      properties:
+        name:
+          description: Human-readable name of the entity.
+          type: string
+        description:
+          description: Optional free-form description of the entity.
+          type: string
+          nullable: true