chore: add docs to swagger and add pass handlers

backend/docs/swagger.yaml

@@ -1,4 +1,90 @@
+definitions:
+  storage.Post:
+    properties:
+      content:
+        type: string
+      createdAt:
+        type: string
+      id:
+        type: integer
+      title:
+        type: string
+    type: object
 info:
   contact: {}
-paths: {}
+paths:
+  /api/v1/posts:
+    get:
+      consumes:
+      - application/json
+      description: Get all posts
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            items:
+              $ref: '#/definitions/storage.Post'
+            type: array
+      summary: Get all posts
+      tags:
+      - posts
+    post:
+      consumes:
+      - application/json
+      description: Create post
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/storage.Post'
+      summary: Create post
+      tags:
+      - posts
+  /api/v1/posts/{id}:
+    delete:
+      consumes:
+      - application/json
+      description: Delete post
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/storage.Post'
+      summary: Delete post
+      tags:
+      - posts
+    get:
+      consumes:
+      - application/json
+      description: Get post by id
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/storage.Post'
+      summary: Get post by id
+      tags:
+      - posts
+    put:
+      consumes:
+      - application/json
+      description: Update post
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/storage.Post'
+      summary: Update post
+      tags:
+      - posts
 swagger: "2.0"