Introduce series management functionality and repository updates

- Added `series-world.repo.ts` to handle database operations related to series worlds and their elements.
- Implemented `series-sync.repo.ts` for managing synchronization between books and series.
- Expanded `spell.ipc.ts` data models to include `seriesSpellId` for spell synchronization.
- Refactored `insertSpellTag` method in `spelltag.repo.ts` for improved error handling and logic clarity.

electron/database/models/Sync.ts

@@ -1068,7 +1068,11 @@ export default class Sync {
 
             const bookToolsQuery: SyncedBookToolsResult | null = BookRepo.fetchSyncedBookTools(userId, currentBookId, lang);
             const bookTools: SyncedBookTools | null = bookToolsQuery ? {
-                lastUpdate: bookToolsQuery.last_update
+                lastUpdate: bookToolsQuery.last_update,
+                charactersEnabled: bookToolsQuery.characters_enabled === 1,
+                worldsEnabled: bookToolsQuery.worlds_enabled === 1,
+                locationsEnabled: bookToolsQuery.locations_enabled === 1,
+                spellsEnabled: bookToolsQuery.spells_enabled === 1
             } : null;
 
             const bookSpells: SyncedSpell[] = allSpells