[TU-13737] add nyc

Author: vrybas

.gitignore

@@ -7,3 +7,4 @@ yarn-error.log
 .idea/
 params.js
 params.json
+coverage*

package.json

@@ -75,6 +75,7 @@
     "json-server": "^0.15.1",
     "lint-staged": "^13.2.2",
     "nodemon": "^1.19.2",
+    "nyc": "^17.0.0",
     "prettier": "^2.8.8",
     "rollup": "^1.21.2",
     "rollup-plugin-commonjs": "^10.1.0",