Build the UI for Arch and other Linux Distributions

1. Clone this repo
2. yarn && yarn build
3. Copy build/ui directory to /var/lib/lxd
4. Change the LXD_UI environment variable of LXD. This can be done using systemctl edit lxd command. In that file add the following lines:

   [Service]
   Environment=LXD_UI=/var/lib/lxd/ui

5. systemctl daemon-reload && systemctl restart lxd
6. Set core.https_address of LXD to make it listen for remote connections
7. Open <your-server-ip>:8443 and see UI