Add santiago.is-a.dev subdomain for portfolio

domains/santiago.is-a.dev.json

@@ -0,0 +1,11 @@
+{
+    "description": "Portafolio personal",
+    "repo": "https://github.com/smpineda129/portfolio",
+    "owner": {
+      "username": "smpineda129",
+      "email": "smpineda129@gmail.com"
+    },
+    "record": {
+      "CNAME": "smpineda129.github.io"
+    }
+  }