Bsr normalize descriptions (#371)

* BSR: use check out as the fact to check instead of checkout

* BSR: remove useless whitespace

whitespaces removed are the whitespace at the end of the line of lines followed by empty lines on files where checkout was replaced by check out

Co-authored-by: Simon Belbeoch <simon.belbeoch@octo.com>
Co-authored-by: Kasra Bigdeli <kasra85@gmail.com>

public/v4/apps/ackee.yml

@@ -45,7 +45,7 @@ caproverOneClickApp:
         - id: $$cap_mongo_version
           label: MongoDB Version
           defaultValue: '4.0.20'
-          description: Checkout their docker page for the valid tags https://hub.docker.com/r/library/mongo/tags/
+          description: Check out their docker page for the valid tags https://hub.docker.com/r/library/mongo/tags/
           validRegex: /^([^\s^\/])+$/
     instructions:
         start: >-