feat: initialize Discord bot project with basic command structure

- Add package.json with dependencies and scripts for building, testing, and running the bot.
- Implement bot startup logic in src/bot.ts, handling interactions and commands.
- Create command structure in src/commands/index.ts, including a ping command in src/commands/ping.ts.
- Add configuration loading from environment variables in src/config.ts.
- Implement command registration in Discord API in src/deploy-commands.ts.
- Bootstrap the bot in src/index.ts.
- Configure TypeScript settings in tsconfig.json.

src/index.ts

@@ -0,0 +1,14 @@
+import { startBot } from "./bot";
+import { loadConfig } from "./config";
+
+export async function bootstrap(): Promise<void> {
+  const config = loadConfig();
+  await startBot(config);
+}
+
+if (require.main === module) {
+  void bootstrap().catch((error: unknown) => {
+    console.error("Failed to start bot:", error);
+    process.exit(1);
+  });
+}