Merge pull request #274 from FlowFuse/chore-tls-enable-note

chore: Add note to TLS_ENABLED in `.env.example`

Author: hardillb

.env.example

@@ -2,7 +2,7 @@ DOMAIN=
 APPLICATION_DOMAIN=""
 
 ### TLS certificates configuration
-TLS_ENABLED=""
+TLS_ENABLED="" # Do not add any value here if you want to keep TLS disabled
 TLS_CERTIFICATE=""
 TLS_KEY=""
 APP_TLS_CERTIFICATE=""