documentation: add the post method to the validation endpoint definition

Author: Sylvain Delabye

docs/source/_static/specs/formidable.js

@@ -463,6 +463,28 @@ var spec = {
         },
         "/forms/{id}/validate/": {
             "get": {
+                "parameters": [
+                    {
+                        "in": "path",
+                        "name": "id",
+                        "required": true,
+                        "type": "integer"
+                    }
+                ],
+                "responses": {
+                    "204": {
+                        "description": "Validation OK"
+                    },
+                    "400": {
+                        "description": "Validation KO",
+                        "schema": {
+                            "$ref": "#/definitions/InputError"
+                        }
+                    }
+                }, 
+                "summary": "Validate a form (GET method). GET and POST are equivalent, but GET is deprecated."
+            },
+            "post": {
                 "parameters": [
                     {
                         "in": "path",
@@ -482,7 +504,7 @@ var spec = {
                         }
                     }
                 },
-                "summary": "Validate a form"
+                "summary": "Validate a form (POST method). GET and POST are equivalent."
             }
         }
     },

docs/swagger/formidable.yml

@@ -133,7 +133,21 @@ paths:
 
   /forms/{id}/validate/:
     get:
-      summary: Validate a form
+      summary: Validate a form (GET method). GET and POST are equivalent.
+      parameters:
+        - name: id
+          in: path
+          type: integer
+          required: true
+      responses:
+        204:
+          description:  Validation OK
+        400:
+          description: Validation KO
+          schema:
+            $ref: '#/definitions/InputError'
+    post:
+      summary: Validate a form (POST method). GET and POST are equivalent.
       parameters:
         - name: id
           in: path