Add package-lock.json to lock dependency versions

Add package-lock.json to lock dependency versions (generated from npm i with npm@5)

• node -v -> v6.14.1
• npm -v -> 5.8.0

Todo

✔ npm ERR! Maximum call stack size exceeded

Fixed npm ERR! Maximum call stack size exceeded by removing node_modules/ and package-lock.json generated with npm@5.6.0 and regenerated with npm@5.8.0, see https://github.com/npm/npm/issues/19863

31327 verbose stack RangeError: Maximum call stack size exceeded
31327 verbose stack     at failedDependency (C:\Users\MLM\AppData\Roaming\nvm\v4.8.7\node_modules\npm\lib\install\deps.js:391:27)

31299 verbose stack RangeError: Maximum call stack size exceeded
31299 verbose stack     at String.trim (native)
31299 verbose stack     at moduleName (C:\Users\MLM\AppData\Roaming\nvm\v4.8.7\node_modules\npm\lib\utils\module-name.js:25:77)
31299 verbose stack     at failedDependency (C:\Users\MLM\AppData\Roaming\nvm\v4.8.7\node_modules\npm\lib\install\deps.js:396:41)