Add shymega.is-a.dev subdomain

This PR adds a subdomain for my portfolio website (WIP on another
subdomain), with Discord and GitHub Pages verification TXT strings.

I may add MX records at a later date. I haven't decided yet.

But for now, these changes are sufficient.

Signed-off-by: Dom Rodriguez <shymega@shymega.org.uk>

domains/_discord.shymega.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "shymega",
+    "email": "shymega@shymega.org.uk",
+  },
+  "record": {
+    "TXT": "dh=43b627cccb9f6828d48ec7db6a573824bccfabc5"
+  }
+}

domains/_github-pages-challenge-shymega.shymega.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "shymega",
+    "email": "shymega@shymega.org.uk"
+  },
+  "record": {
+    "TXT": "83c50be1b56ddbe89e971e9f77aa0b"
+  }
+}

domains/shymega.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "shymega",
+    "email": "shymega@shymega.org.uk"
+  },
+  "record": {
+    "CNAME": "dom-rodriguez-org-uk.pages.dev"
+  }
+}