feat: update build and dev scripts to use tsdown; add tsdown config file

- Changed build script in packages/logic/package.json to use tsdown instead of tsc.
- Updated dev script in packages/logic/package.json to use tsdown with watch mode.
- Added tsdown as a devDependency in packages/logic/package.json.
- Updated pnpm-lock.yaml to include tsdown and its dependencies across various apps.
- Created a new tsdown.config.ts file to define build configuration for the workspace.

app/game-api/package.json

@@ -4,9 +4,12 @@
     "version": "0.0.0",
     "type": "module",
     "scripts": {
-        "build": "tsc -p tsconfig.json",
-        "dev": "node -e \"console.log('dev not configured')\"",
+        "build": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/game-api",
+        "dev": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/game-api --watch",
         "lint": "node -e \"console.log('lint not configured')\"",
         "test": "node -e \"console.log('test not configured')\""
+    },
+    "devDependencies": {
+        "tsdown": "^0.18.3"
     }
 }