Bundle application with rollup

package.json

@@ -18,7 +18,7 @@
         "wtc": "bin/wtc"
     },
     "scripts": {
-        "build": "tsc"
+        "build": "rollup -c"
     },
     "keywords": [
         "work",
@@ -27,10 +27,14 @@
     ],
     "author": "Marko Korhonen <marko@korhonen.cc>",
     "devDependencies": {
+        "@rollup/plugin-terser": "^0.4.4",
+        "@rollup/plugin-typescript": "^11.1.5",
         "@types/node": "^20.9.0",
         "@types/yargs": "^17.0.31",
         "@typescript-eslint/eslint-plugin": "^6.10.0",
         "eslint-config-prettier": "^9.0.0",
+        "rollup": "^4.5.1",
+        "tslib": "^2.6.2",
         "typescript": "^5.2.2"
     },
     "dependencies": {