Neovim, add typescript support

To preserve current connections Onizuka's port was manually reverted to
the old 922 default, with the intention to follow that

hosts/onizuka/host.nix

@@ -12,7 +12,10 @@
   system.timezone = "America/Los_Angeles";
   system.users.bigWheels = [ "pan" ];
 
-  sshd.enable = true;
+  sshd = {
+    enable = true;
+    port = 922;
+  };
   tailscale.enable = true;
 
   tuigreet.enable = true;