Fix warnings / moved properties

default-home.nix

···
   };
   programs.git = {
     enable = true;
-    userName = "Noah Pederson";
-    userEmail = "[e-mail]";
+    settings.user.name = "Noah Pederson";
+    settings.user.email = "[e-mail]";
     extraConfig = {
       sendemail = {
         smtpserver = "smtp.migadu.com";
···
   };
   programs.ssh = {
     enable = true;
-    addKeysToAgent = "yes";
+    matchBlocks."*".addKeysToAgent = "yes";
   };
 
   services.ssh-agent.enable = true;