npm install

```
npm WARN old lockfile
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile
npm WARN old lockfile This is a one-time fix-up, please be patient...
npm WARN old lockfile
npm WARN deprecated debug@4.1.1: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (debug-js/debug#797)
npm WARN deprecated axios@0.19.2: Critical security vulnerability fixed in v0.21.1. For more information, see axios/axios#3410
npm WARN deprecated @zeit/ncc@0.22.3: @zeit/ncc is no longer maintained. Please use @vercel/ncc instead.

added 202 packages, and audited 203 packages in 3s

25 packages are looking for funding
  run `npm fund` for details

8 vulnerabilities (1 moderate, 6 high, 1 critical)

To address all issues, run:
  npm audit fix

Run `npm audit` for details.
```