refactor: refactoring of code

Add graceful shutdown server

internal/middleware_type.go

@@ -17,9 +17,9 @@
 
 package pkg
 
-// Middleware defined the route middleware
+// Middleware defined the route middlewares
 type Middleware struct {
-	//Path contains the name of middleware and must be unique
+	//Path contains the name of middlewares and must be unique
 	Name string `yaml:"name"`
 	// Type contains authentication types
 	//