feat(domain): add _spf.google.com.zerow.is-a.dev

domains/_spf.google.com.zerow.json

@@ -0,0 +1,10 @@
+{
+    "owner": {
+        "username": "DevZerow",
+        "email": "zerow.pro@protonmail.com"
+    },
+
+    "record": {
+        "TXT": "v=spf1 include:_spf.google.com ~all"
+    }
+}