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

backend/contracts/sendico/api/accounts/bodies/auth.yaml

@@ -0,0 +1,24 @@
+components:
+  requestBodies:
+    LoginBody:
+      description: JSON credentials payload for standard login.
+      required: true
+      content:
+        application/json:
+          schema:
+            $ref: ../request/auth.yaml#/components/schemas/LoginRequest
+    ApiLoginBody:
+      description: JSON credentials payload for API client login.
+      required: true
+      content:
+        application/json:
+          schema:
+            $ref: ../request/auth.yaml#/components/schemas/ApiLoginRequest
+
+    RefreshTokenBody:
+      description: JSON payload containing session and refresh token data.
+      required: true
+      content:
+        application/json:
+          schema:
+            $ref: ../request/auth.yaml#/components/schemas/RefreshTokenRequest