feat: update this highly outdated app to use latest packages and custom configs (#1)

Reviewed-on: https://codeberg.org/nhcarrigan/tingle-bot/pulls/1
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

tsconfig.json

@@ -1,14 +1,9 @@
 {
+  "extends": "@nhcarrigan/typescript-config",
   "compilerOptions": {
-    "target": "ES6",
-    "module": "CommonJS",
     "rootDir": "./src",
     "outDir": "./prod",
-    "strict": true,
-    "esModuleInterop": true,
-    "skipLibCheck": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true
+    "exactOptionalPropertyTypes": false
   },
-  "exclude": ["tests/**/*.spec.ts"]
-}
+  "exclude": ["./test", "vitest.config.ts"]
+}