fix(deps): update installation process for local development (#975)

- use `npm ci` instead of `npm install`
- Add .npmrc with ignore-scripts=true

Author: joyeecheung

.npmrc

@@ -0,0 +1 @@
+ignore-scripts=true

README.md

@@ -47,7 +47,7 @@ If you would prefer to build from the source, install and link:
 ```
 git clone [email protected]:nodejs/node-core-utils.git
 cd node-core-utils
-npm install
+npm ci
 npm link
 ```