[mirotalksfu] - make username from OIDC configurable via .env

.env.template

@@ -92,6 +92,9 @@ OIDC_BASE_URL=                                    # OIDC base URL es https://you
 OIDC_CLIENT_ID=clientID                           # OIDC client ID
 OIDC_CLIENT_SECRET=clientSecret                   # OIDC client secret
 OIDC_SECRET=mirotalksfu-oidc-secret               # OIDC secret
+OIDC_USERNAME_FORCE=true                          # Force the username to match OIDC email or name (true|false)
+OIDC_USERNAME_AS_EMAIL=true 											# Set username as email from OIDC (true|false)
+OIDC_USERNAME_AS_NAME=false											  # Set username as name from OIDC (true|false)
 
 # Host protection
 HOST_PROTECTED=false                              # Enable host protection (true|false)