add ipv6 in nginx

modules/services/matrix.nix

@@ -132,16 +132,31 @@
         port = 80;
         ssl = false;
       }
+      {
+        addr = "[::]";
+        port = 80;
+        ssl = false;
+      }
       {
         addr = "0.0.0.0";
         port = 443;
         ssl = true;
       }
+      {
+        addr = "[::]";
+        port = 443;
+        ssl = true;
+      }
       {
         addr = "0.0.0.0";
         port = 8448;
         ssl = true;
       }
+      {
+        addr = "[::]";
+        port = 8448;
+        ssl = true;
+      }
     ];
 
     locations."/_matrix" = {