Create domain-schema.json

.github/workflows/domain-schema.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "type": "array",
+  "items": {
+    "type": "object",
+    "properties": {
+      "subdomain": {
+        "type": "string"
+      },
+      "url": {
+        "type": "string",
+        "pattern": "^(https?://)?(?:[a-zA-Z0-9-]+\\.){1,}(?:[a-zA-Z0-9-]{2,})\\/?$"
+      },
+      "email": {
+        "type": "string",
+        "format": "email"
+      },
+      "type": {
+        "type": "string",
+        "enum": ["A", "CNAME", "TXT", "MX"]
+      }
+    },
+    "required": ["subdomain", "url", "email"],
+    "additionalProperties": false
+  }
+}