Add character selection using campaign visibility and player characters in campaign

app/composables/useDatabase.ts

@@ -1,6 +1,7 @@
 import { Database } from "bun:sqlite";
 import { BunSQLiteDatabase, drizzle } from "drizzle-orm/bun-sqlite";
 import * as schema from '../db/schema';
+import { eq, or, sql } from "drizzle-orm";
 
 let instance: BunSQLiteDatabase<typeof schema> & {
     $client: Database;