Update README badge and installation instructions (#7152)

README.md

@@ -1,6 +1,6 @@
 # 2fa.directory
 
-[![Build Status](https://img.shields.io/github/workflow/status/2factorauth/twofactorauth/Repository%20builds%20and%20tests?style=for-the-badge)][build_status]
+[![Build Status](https://img.shields.io/github/actions/workflow/status/2factorauth/twofactorauth/repository.yml?branch=master&style=for-the-badge)][build_status]
 [![License](https://img.shields.io/badge/license-mit-9A0F2D.svg?style=for-the-badge)][license]
 [![Twitter](https://img.shields.io/badge/[email protected]?style=for-the-badge&logo=twitter)][twitter]
 
@@ -31,10 +31,10 @@ docker pull 2factorauth/twofactorauth
 ### 2. Snap
 
 ```bash
- sudo snap install ruby --classic
- npm i babel-minify
- bundle config set path './vendor/cache'
- bundle install
+sudo snap install ruby --classic
+npm i babel-minify
+bundle config set path './vendor/cache'
+bundle install
 ```
 
 ### 3. Manual installation