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/class.hbs

@@ -61,7 +61,7 @@
     <legend>{{localize "PRISMRPG.Label.classFeatures"}}</legend>
 
     {{#each system.features as |feature level|}}
-        <label>{{localize "PRISMRPG.Label.level"}} {{inc @key}}</label>
+        <label>{{localize "PRISMRPG.Label.level"}} {{replace @key "level" ""}}</label>
         {{formInput
           (lookup ../systemFields.features.fields @key)
           enriched=(lookup ../enrichedFeatures @key)