Update readme

Author: urre

README.md

@@ -292,6 +292,8 @@ docker-compose up -d --force-recreate --build
 <details>
  <summary>Changelog</summary>
 
+#### 2021-03-16
+- Changed root `.env-example` to `.env.example` to match the git ignore patterns. Thanks [@scottnunemacher](https://github.com/scottnunemacher)
 #### 2021-03-05
 - Clarify steps in the readme
 #### 2021-03-02