nix: package up an overlay for vpngate

nix/overlays/vpngate.nix

@@ -0,0 +1,26 @@
+self: super:
+
+rec {
+
+  vpngate = with self; buildGoModule rec {
+    pname = "vpngate";
+    version = "v0.0.2";
+
+    vendorSha256 = "1ys2rvrbxgsrvmjdxqgpmxf0m9nlp905gnr2mrf3c7iaxm86wgf8";
+
+    src = fetchFromGitHub {
+      owner = "davegallant";
+      repo = "vpngate";
+      rev = version;
+      sha256 = "0ky3wd04xd4sb2zskrrlbgys2gw88yqhngg3bl0sjy8kr6099vfn";
+    };
+
+    meta = with super.lib; {
+      homepage = "https://www.vpngate.net";
+      description = "a client for vpngate.net";
+      license = licenses.asl20;
+      maintainers =  with maintainers; [ davegallant ];
+      platforms = platforms.linux ++ platforms.darwin;
+    };
+  };
+}