Add rust faucet

.gitmodules

@@ -9,3 +9,6 @@
 	path = rapid-gossip-sync-server
 	url = https://github.com/MutinyWallet/rapid-gossip-sync-server.git
 	branch = 5-mins
+[submodule "mutinynet-faucet-rs"]
+	path = mutinynet-faucet-rs
+	url = https://github.com/MutinyWallet/mutinynet-faucet-rs.git

docker-compose.yml

@@ -129,6 +129,27 @@ services:
       - ~/volumes/faucet:/root/.faucet
     ports:
       - "3000:3000"
+  faucet_backend:
+    container_name: "faucet_backend"
+    build:
+      context: ./mutinynet-faucet-rs
+      args:
+        BITCOIN_RPC_HOST_AND_PORT: "bitcoind:38332"
+        BITCOIN_RPC_USER: "bitcoin"
+        BITCOIN_RPC_PASSWORD: $RPCPASSWORD
+        NETWORK: "signet"
+        GRPC_PORT: "10009"
+        GRPC_HOST: "lnd"
+        TLS_CERT_PATH: "/root/.lnd/tls.cert"
+        ADMIN_MACAROON_PATH: "/root/.lnd/data/chain/bitcoin/signet/admin.macaroon"
+    user: "0:1000"
+    restart: always
+    stop_grace_period: 1m
+    volumes:
+      - ~/volumes/faucet-rs:/root/.faucet-rs
+      - ~/volumes/.lnd:/root/.lnd:ro
+    ports:
+      - "4200:4200"
   web:
     container_name: "mempool_frontend"
     environment: