docs: ✏️ words changes to suit our style (lowercase)

We have thought of always using lowercase fonts as much as possible,
it's out weird thing. Anyway, this commit includes changes to the docs
to better reflect that weirdness.

Author: mikr13

README.md

@@ -71,7 +71,7 @@ in this application you have two options to setup a project in fastify plugin ar
 </table>
 <br>
 
-Happy web-deving 😊
+happy app-deving 😊
 
 ## author
 
@@ -86,18 +86,18 @@ Happy web-deving 😊
 * adding template support
 * more template structures
 
-## 🤝 Contributing
+## 🤝 contributing
 
 contributions, issues and feature requests are welcome!<br />feel free to check [issues page](https://github.com/open-devs/fastify-typescript-generator/issues). you can also take a look at the [contributing guide](https://github.com/open-devs/fastify-typescript-generator/blob/master/CONTRIBUTING.md).
 
-## Show your support
+## show your support
 
-Give a ⭐️ if this project helped you!
+give a ⭐️ if this project helped you!
 
-## 📝 License
+## 📝 license
 
-Copyright © 2020 [open devs (open.devs.github@gmail.com)](https://github.com/open-devs).<br />
+copyright © 2020 [open devs (open.devs.github@gmail.com)](https://github.com/open-devs).<br />
 This project is [MIT](https://github.com/open-devs/fastify-typescript-generator/blob/master/LICENSE) licensed.
 
 ***
-_This README was generated with ❤️ by [readme-md-generator](https://github.com/kefranabg/readme-md-generator)_
+_this README was generated with ❤️ by [readme-md-generator](https://github.com/kefranabg/readme-md-generator)_