OAuth2 authentication in Tasklist

Describe OAuth 2 authentication configuration for Flowset Tasklist.
Used grant type: authorization code with PCKE.
Example of `.env `file 
```
VITE_APP_AUTH_TYPE=OIDC
VITE_OIDC_REALM_URL=http://localhost:9081/realms/your-realm #change to your value
VITE_OIDC_CLIENT_ID=your-client-id #change to your value
VITE_OIDC_REDIRECT_URI=http://localhost:3000/
```