Improve ALE project style checking

* The project style linter now runs while you type.
* Now the scripts for checking the project require blank lines.
* Many style issues have been found and fixed.

ale_linters/puppet/languageserver.vim

@@ -8,6 +8,7 @@ function! ale_linters#puppet#languageserver#GetProjectRoot(buffer) abort
     " there's no requirement to have it, so fall back to the other possible
     " Puppet module directories
     let l:root_path = ale#path#FindNearestFile(a:buffer, 'metadata.json')
+
     if !empty(l:root_path)
         return fnamemodify(l:root_path, ':h')
     endif
@@ -17,6 +18,7 @@ function! ale_linters#puppet#languageserver#GetProjectRoot(buffer) abort
     \   'templates',
     \]
         let l:root_path = ale#path#FindNearestDirectory(a:buffer, l:test_path)
+
         if !empty(l:root_path)
             return fnamemodify(l:root_path, ':h:h')
         endif