Add missing build scripts to new vite frontend

Remove unused asset

Bump version to 1.4.x

Use prefork for Apache

Bump version

Bump version to 1.2

Merge pull request #16 from janole/dev/upgrade-create-react-app

Upgrade "Create React App" to 4.0.3

Merge pull request #6 from janole/fix-socket-io

Adapt socket.io in frontend after dependabot merge

Merge pull request #5 from janole/dependabot/npm_and_yarn/backend/soc…

…ket.io-2.4.0

Bump socket.io from 2.3.0 to 2.4.0 in /backend

Merge pull request #4 from janole/dev/npm-audit-fix

Run "npm audit fix"