resolve issue 89

1 job for issue89 in 2 minutes and 59 seconds (queued for 1 second)
Name Stage Failure
failed
build Build
  run `npm fund` for details

found 5 vulnerabilities (3 moderate, 2 high)
run `npm audit fix` to fix them, or `npm audit` for details
$ ./node_modules/@angular/cli/bin/ng build --prod --base-href=/ --configuration=$CI_COMMIT_REF_NAME
Browserslist: caniuse-lite is outdated. Please run next command `npm update`
ENOSPC: no space left on device, write
Error: ENOSPC: no space left on device, write
ERROR: Job failed: exit code 1