Bring all files into compliance with Prettier formatting style

Author: per1234

README.md

@@ -2,24 +2,21 @@
 [![Check Prettier Formatting status](https://github.com/arduino/libraries-repository-engine/actions/workflows/check-prettier-formatting-task.yml/badge.svg)](https://github.com/arduino/libraries-repository-engine/actions/workflows/check-prettier-formatting-task.yml)
 [![Spell Check status](https://github.com/arduino/libraries-repository-engine/actions/workflows/spell-check-task.yml/badge.svg)](https://github.com/arduino/libraries-repository-engine/actions/workflows/spell-check-task.yml)
 
-BUILD
-----------------------------
+## BUILD
 
 ```
 task go:build
 ```
 
-TDD
-----------------------------
+## TDD
 
 In order to run the tests, type
 
 ```
 task go:test
 ```
 
-RUN
-----------------------------
+## RUN
 
 Create a `config.json` file (or edit example one). Same thing for `repos.txt` file.