Fix module category

clanModules/deltachat/README.md

@@ -1,6 +1,6 @@
 ---
 description = "Email-based instant messaging for Desktop."
-categories = ["Communication"]
+categories = ["Social"]
 features = [ "inventory", "deprecated" ]
 ---
 

clanServices/deltachat/default.nix

@@ -3,7 +3,7 @@
   _class = "clan.service";
   manifest.name = "clan-core/deltachat";
   manifest.description = "Email-based instant messaging for Desktop";
-  manifest.categories = [ "Communication" ];
+  manifest.categories = [ "Social" ];
 
   roles.default = {
     interface =
@@ -161,4 +161,4 @@
           };
       };
   };
-}
+}