refactor!: rewrite bot core; add AI (Ollama, Gemini), DB, new commands

src/db/database-manager.ts

@@ -0,0 +1,12 @@
+import "dotenv/config";
+import {drizzle, LibSQLDatabase} from "drizzle-orm/libsql";
+import {Environment} from "../common/environment";
+
+export class DatabaseManager {
+
+    static db: LibSQLDatabase;
+
+    static init() {
+        DatabaseManager.db = drizzle(Environment.DB_PATH);
+    }
+}