Add spells rolls and enhance CSS styling

- Add spell roll functionality to character sheets
- Enhance CSS and LESS styling for better visual presentation
- Update character templates and models
- Remove old backup files (roll-old.mjs, roll.mjs.backup)
- Improve character combat and equipment templates
- Update utility functions and actor documents

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

templates/character-spells.hbs

@@ -8,7 +8,7 @@
       <div class="spells">
         {{#each spells as |item|}}
         <div class="spell" data-item-id="{{item.id}}" data-item-uuid="{{item.uuid}}" data-drag="true">
-          <img class="item-img" src="{{item.img}}" data-tooltip="{{item.name}}" />
+          <img class="item-img" src="{{item.img}}" data-tooltip="{{item.name}}" data-action="postItemToChat" />
           <div class="name">
             {{item.name}}
           </div>