Rename `setup_views` to `load_admin_views`
Proper names to quick understanding of what is being executed
Move admin view files to `/core/view/admin`
Add `load` method for ease loading of files inside the plugin
Merge branch 'develop' into feature/calculator

* develop:
  Add `load` method for ease loading of files inside the plugin
  Move admin view files to `/core/view/admin`
  Rename `setup_views` to `load_admin_views` Proper names to quick understanding of what is being executed
Fix loader function name
Add calculator shortcode handler
Add calculator structure
Add readonly input for calculator columns
Add names to the result inputs
Add calculator CSS hook to WP
Add calculator content structure
Add calculator logic
Merge branch 'feature/calculator' into develop

* feature/calculator:
  Add calculator logic
  Add calculator content structure
  Add calculator CSS hook to WP
  Add names to the result inputs
  Add readonly input for calculator columns
  Add calculator structure
  Add calculator shortcode handler
  Fix loader function name