Update README.md

Author: roshangade

README.md

@@ -1 +1,13 @@
-# method-override
+# Middleware: Request Method Override
+
+## How to use?
+<b>Header:</b> X-HTTP-Method-Override
+<br>
+<b>Methods:</b> GET, POST, PUT, DELETE, OPTIONS, HEAD, PATCH
+
+```
+var api rest.API
+
+api.Use(methodoverride.MethodOverride())
+
+```