fix mautrix.nix

hosts/nixcloud/services.d/matrix.d/mautrix.nix

@@ -4,6 +4,13 @@
       "instagram" = {
         enable = true;
         settings = {
+          appservice = {
+            id = "instagram";
+            bot = {
+              username = "igbot";
+              displayname = "Instagram bridge bot";
+            };
+          };
           network = {
             mode = "instagram";
           };
@@ -23,6 +30,13 @@
       "messenger" = {
         enable = true;
         settings = {
+          appservice = {
+            id = "meta";
+            bot = {
+              username = "metabot";
+              displayname = "Meta bridge bot";
+            };
+          };
           network = {
             mode = "messenger";
           };