Refactor for flask

Vapor3.1.10/CONTRIBUTING.md

@@ -0,0 +1,13 @@
+# Contributing to Vapor Web Template
+
+If you found a mistake or think of a cool new feature, please [create an issue](https://github.com/vapor/web-template/issues/new) or, if you want to implement it yourself, [fork this repo](https://github.com/vapor/web-template/fork) and open a Pull Request!
+
+We'll take a look as soon as we can.
+
+Thanks!
+
+## Maintainers
+
+- [@0xTim](https://github.com/0xTim)
+
+See the [Vapor maintainers doc](https://github.com/vapor/vapor/blob/master/Docs/maintainers.md) for more information.