feat: matrix appservices and weechat setup

nixos/servers/matrix/signal.nix

@@ -13,15 +13,30 @@
       };
       appservice = {
         port = 9048;
+      ephemeral_events = false;
       };
       signal = {
       };
       bridge = {
+        history_sync = {
+            request_full_sync = true;
+        };
+         private_chat_portal_meta = true;
+          mute_bridging = true;
+          encryption = {
+            allow = true;
+            default = true;
+            require = true;
+          };
+          provisioning = {
+            shared_secret = "disable";
+          };
         permissions = {
           "kittywit.ch" = "full";
           "@kat:kittywit.ch" = "admin";
+          "@signal:kittywit.ch" = "admin";
         };
       };
     };
   };
-}
+}