Add ncc build to build script (#208)

Co-authored-by: Vidya Reddy <vidyareddy@microsoft.com>

package.json

@@ -4,7 +4,7 @@
    "author": "Deepak Sattiraju",
    "license": "MIT",
    "scripts": {
-      "build": "tsc --outDir ./lib --rootDir ./src",
+      "build": "ncc build src/run.ts -o lib",
       "test": "jest",
       "format": "prettier --write .",
       "format-check": "prettier --check ."
@@ -23,6 +23,7 @@
       "@types/jest": "^26.0.0",
       "@types/js-yaml": "^3.12.7",
       "@types/node": "^12.20.41",
+      "@vercel/ncc": "^0.34.0",
       "jest": "^26.0.0",
       "prettier": "2.7.1",
       "ts-jest": "^26.0.0",