Feat: Create _github-pages-challenge and update arch.json to both have the same TXT record on file.

domains/_github-pages-challenge-Arch881010.arch.json

@@ -0,0 +1,14 @@
+{
+    "description": "My personal website on arch.is-a.dev (main files in repo/repository)[Github Challenge].",
+    "repo": "https://github.com/Arch881010/Arch881010",
+    "owner": {
+        "username": "Arch881010",
+        "email": "c1yd4.arch@inbox.testmail.app",
+        "discord": "arch1010",
+        "discord-id": "410248634593050627"
+    },
+    "record": {
+        "CNAME": "arch881010.github.io",
+        "TXT": "f7ef0429540150e9e2d26e968dc4de"
+    }
+}

domains/arch.json

@@ -8,6 +8,7 @@
         "discord-id": "410248634593050627"
     },
     "record": {
-        "CNAME": "arch881010.github.io"
+        "CNAME": "arch881010.github.io",
+        "TXT": "f7ef0429540150e9e2d26e968dc4de"
     }
 }