Add flash.is-a.dev subdomain

flash.json

@@ -0,0 +1,12 @@
+{
+  "repo": "https://github.com/flashthedev",
+  "owner": {
+    "username": "Flashthedev",
+    "email": "flash.dev@outlook.com"
+  },
+  "record": {
+    "A": [
+      "89.41.169.49"
+    ]
+  }
+}