Restore faucet bridge (#12)

* Revert "This is not currently active"

This reverts commit ae50696.

* Restore bridge instructions with correct URL

* To Etherlink ETH

* It's actually XTZ

docs/get-started/get-testnet-xtz-on-etherlink.mdx

@@ -4,6 +4,11 @@ title: '💧 Get testnet XTZ on Etherlink'
 
 import Figure from '@site/src/components/Figure';
 
+:::note Bridging from Tezos L1
+
+If you have tez (XTZ) on the Tezos Ghostnet network or get some from the [Ghostnet Faucet](https://faucet.ghostnet.teztnets.com/), you can bridge them to Etherlink XTZ by using the bridge at https://bridge.etherlink-nightly.tzalpha.net/.
+:::
+
 Follow these steps to connect MetaMask and get XTZ tokens that you can use to pay transaction fees on Etherlink Testnet:
 
 1. Install [MetaMask](https://metamask.io/) in your browser.