Add caspera domain configuration

Introduces caspera.json with owner and A record details for domain management.

domains/caspera.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "jeff-caspera"
+  },
+  "records": {
+    "A": ["87.106.100.93"]
+  }
+}