Add comprehensive spell management functionality

- Introduced spell management with creation, editing, deletion, and tagging capabilities.
- Added `Spell`, `SpellList`, `SpellTagManager` models with corresponding IPC handlers for data operations.
- Implemented `SpellList` and `SpellTagChip` components for UI interactions with spells and tags.
- Localized spell-related strings for English (e.g., error messages, tooltips, and prompts).
- Enhanced database models and repositories with encryption and decryption workflows for secure data handling.
- Updated API to include filtering, searching, and tag-based spell management options.

lib/models/Book.ts

@@ -61,6 +61,7 @@ export interface BookToolsSettings {
     characters: boolean;
     worlds: boolean;
     locations: boolean;
+    spells: boolean;
 }
 
 export interface BookProps {