Add host for work github

modules/home-manager/ssh.nix

@@ -4,6 +4,15 @@
     enable = true;
     enableDefaultConfig = false;
 
+    matchBlocks = {
+      "github-work" = {
+        hostname = "github.com";
+        user = "git";
+        identityFile = "/home/kiri/.ssh/github-work.pub";
+        identitiesOnly = true;
+      };
+    };
+
     includes = [
       config.sops.secrets.ssh_config_orion.path
     ];