Now creating (json)schemas from class validator annotated classes

ref #5

src/loaders/openapi.ts

@@ -2,10 +2,23 @@ import { Application } from "express";
 import * as swaggerUiExpress from "swagger-ui-express";
 import { getMetadataArgsStorage } from "routing-controllers";
 import { routingControllersToSpec } from "routing-controllers-openapi";
+import { validationMetadatasToSchemas } from 'class-validator-jsonschema';
+
 
 export default async (app: Application) => {
     const storage = getMetadataArgsStorage();
-    const spec = routingControllersToSpec(storage);
+    const schemas = validationMetadatasToSchemas({
+        refPointerPrefix: '#/components/schemas/',
+    });
+    const spec = routingControllersToSpec(storage, {}, {
+        components: {
+          schemas,
+        info: {
+          description: 'LfK! Backend API`',
+          title: 'LfK! Backend API',
+          version: '1.0.0'
+        }
+    });
     app.use("/docs", swaggerUiExpress.serve, swaggerUiExpress.setup(spec));
     return app;
 };