Setup Frontend

[github-actions]

Setup the frontend for PiMetaConnect:\n- Navigate to /client\n- Run yarn install v1.22.22
info No lockfile found.
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
success Saved lockfile.
Done in 23.01s.\n- Test with yarn run v1.22.22
$ next start
▲ Next.js 16.2.9

• Local: http://localhost:3000
• Network: http://10.1.0.243:3000
  ✓ Ready in 103ms
  info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.