feat: add backend_v1 migration

backend_v1/docs/swagger.yaml

@@ -0,0 +1,75 @@
+basePath: /api/v1
+definitions:
+  requests.Pager:
+    properties:
+      items: {}
+      limit:
+        type: integer
+      page:
+        type: integer
+      total:
+        type: integer
+    type: object
+  v1.ResponseItem:
+    type: object
+externalDocs:
+  description: OpenAPI
+  url: https://swagger.io/resources/open-api/
+host: localhost:8080
+info:
+  contact:
+    email: support@swagger.io
+    name: UserName
+    url: http://www.swagger.io/support
+  description: This is a sample server celler server.
+  license:
+    name: Apache 2.0
+    url: http://www.apache.org/licenses/LICENSE-2.0.html
+  termsOfService: http://swagger.io/terms/
+  title: ApiDoc
+  version: "1.0"
+paths:
+  /v1/medias/{id}:
+    post:
+      consumes:
+      - application/json
+      description: Test
+      parameters:
+      - description: ID
+        in: path
+        name: id
+        required: true
+        type: integer
+      - description: 年龄
+        in: query
+        name: age
+        type: integer
+      - description: 名称
+        in: query
+        name: name
+        type: string
+      - in: query
+        name: limit
+        type: integer
+      - in: query
+        name: page
+        type: integer
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: 成功
+          schema:
+            allOf:
+            - $ref: '#/definitions/requests.Pager'
+            - properties:
+                list:
+                  $ref: '#/definitions/v1.ResponseItem'
+              type: object
+      summary: Test
+      tags:
+      - Test
+securityDefinitions:
+  BasicAuth:
+    type: basic
+swagger: "2.0"