feat: Implement Tour Schedule Engine with queue management and announcement features

- Added TourScheduleEngine class for managing user queues in a guild.
- Implemented methods for joining, leaving, listing, and clearing queues.
- Added functionality to promote users to speaker in a stage channel and send announcements.
- Created integration tests for the TourScheduleEngine to verify FIFO behavior and announcement dispatch.

test: Add unit tests for ping and sign-up commands

- Created tests for ping command to ensure it replies with "Pong!".
- Implemented tests for sign-up command to verify queue joining, listing, and permission checks.

test: Add integration tests for mileage engine flow

- Developed tests to validate mileage awarding, event persistence, and role upgrades based on mileage thresholds.

chore: Update TypeScript configuration for ESLint

- Added tsconfig.eslint.json for ESLint integration.
- Modified tsconfig.json to exclude test files from the main compilation.

eslint.config.cjs

@@ -4,14 +4,14 @@ const tsParser = require("@typescript-eslint/parser");
 /** @type {import("eslint").Linter.FlatConfig[]} */
 module.exports = [
   {
-    ignores: ["dist/**", "node_modules/**"],
+    ignores: ["dist/**", "node_modules/**", "**/*.d.ts"],
   },
   {
     files: ["**/*.ts"],
     languageOptions: {
       parser: tsParser,
       parserOptions: {
-        project: "./tsconfig.json",
+        project: "./tsconfig.eslint.json",
         sourceType: "module",
       },
     },