[added] - inversify for inversion of control (IoC) container

src/app.ts

@@ -43,7 +43,7 @@ class App {
     }
 
     public listen(port: number): ReturnType<typeof this.app.listen> {
-       return this.app.listen(port, () => {
+        return this.app.listen(port, () => {
             logger.info(`Server listening on port ${config.port}`);
             logger.info(`Environment :- ${config.env}`);
         })