Utility for my infrastructure. Added MainSite function.

pkg/utils/dwelling.go

@@ -0,0 +1,14 @@
+package utils
+
+import "strings"
+
+// MainSite returns homepage address depending on network used.
+func MainSite(host string) string {
+	if strings.HasPrefix(host, "i2p") {
+		return "http://arav.i2p"
+	} else if strings.HasPrefix(host, "onion") {
+		return "http://.onion"
+	}
+
+	return "https://arav.top"
+}