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>

module/utils.mjs

@@ -177,6 +177,11 @@ export default class PrismRPGUtils {
       return str ? str.toUpperCase() : '';
     })
 
+    Handlebars.registerHelper('replace', function (str, search, replacement) {
+      if (!str) return '';
+      return str.replace(search, replacement);
+    })
+
     Handlebars.registerHelper('isEnabled', function (configKey) {
       return game.settings.get("bol", configKey);
     })