Improve typing.

src/registerSlashCommands.ts

@@ -0,0 +1,12 @@
+import { getCommands, registerSlashCommands } from './utils/commands';
+
+const commands = getCommands();
+
+registerSlashCommands(commands)
+  .then(() => {
+    console.log('Successfully registered slash commands');
+  })
+  .catch((error) => {
+    console.error('Failed to register slash commands:', error);
+    process.exit(1);
+  });