Add GitHub Pages challenge configuration for MosaabGKA

domains/_github-pages-challenge-MosaabGKA.mosaab.json

@@ -0,0 +1,10 @@
+{
+  "description": "Personal website of MosaabGKA, GitHub verification",
+  "owner": {
+    "username": "MosaabGKA",
+    "email": "mosaabgka@outlook.com"
+  },
+  "records": {
+    "TXT": "297ab2956c84972b709ce49e7a0481"
+  }
+}