feat: initial prototype of app

src/index.ts

@@ -4,4 +4,37 @@
  * @author Naomi Carrigan
  */
 
-null;
+import {
+  Client,
+  Events,
+  GatewayIntentBits,
+} from "discord.js";
+import { chatInputInteractionCreate } from "./events/interactionCreate.js";
+import { logger } from "./utils/logger.js";
+
+const chibika = new Client({
+  intents: [
+    GatewayIntentBits.Guilds,
+  ],
+});
+
+chibika.once(Events.ClientReady, () => {
+  void logger.log(
+    "debug",
+    `Logged in as ${chibika.user?.username ?? "unknown"}`,
+  );
+});
+
+chibika.on(Events.InteractionCreate, (interaction) => {
+  if (interaction.isChatInputCommand()) {
+    if (!interaction.inCachedGuild()) {
+      void interaction.reply({
+        content: "How did you get here? This command is not available in DMs.",
+      });
+      return;
+    }
+    void chatInputInteractionCreate(chibika, interaction);
+  }
+});
+
+await chibika.login(process.env.DISCORD_TOKEN);