Add lighthouse (eth) service

spec/services.yaml

@@ -307,6 +307,7 @@ services:
         strategy: github
 
   - name: Core Lightning (LN)
+    host: ln.utxo.cz
     repo: ElementsProject/lightning
     server: palatinus
     monitor: 28
@@ -355,5 +356,20 @@ services:
             Content-Type: 'application/json'
           body: '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":67}'
         query: $match(result,/^Geth\/v([^-]+)/)[0].groups[0]
+      to:
+        strategy: github_tags
+
+  - name: Lighthouse (ETH)
+    repo: sigp/lighthouse
+    host: eth-cl.gwei.cz
+    server: hex
+    monitor: 44
+    version_conf:
+      from:
+        auth:
+          type: basic
+          env: GWEICZ_IPFS_AUTH
+        url: https://eth-cl.gwei.cz
+        query: $match(data.version,/^Lighthouse\/v([^-]+)/)[0].groups[0]
       to:
         strategy: github_tags