refactor: ts3gotify to standalone module

src/types.ts

@@ -1,3 +1,8 @@
 export type Mode = "connect" | "disconnect" | "moved" | "message";
 
 export type LogLevel = "error" | "info" | "debug";
+
+export type GotifyConfig = {
+  app: string;
+  title: string;
+};