Add package-lock.json file

Lockfiles are required to ensure we have visibility into builds,
checksum verification and accurate vulnerability scanning. The file was
generated by running `npm install`.

Google-Bug-Id: b/275119742
Change-Id: Id33b8129260126fcd43c853966e9949cfdbb1cec
2 files changed
tree: 3c0874822918bf34ae19cce422e1342c2c9c5d22
  1. src/
  2. web/
  3. BUILD
  4. LICENSE