feat(glittershark): Get everything working on Darwin

Update everything in home-manager to properly work on darwin (including
adding dobharchu as a top-level attribute from
//users/glittershark/home) and also fix font faces and sizes in emacs
config

Change-Id: Ica889dd212876030d5c2a916a71d8b614e6964f1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2147
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI

users/glittershark/system/home/modules/common.nix

@@ -38,8 +38,6 @@
     gnupg
     keybase
     openssl
-    yubikey-manager
-    yubikey-manager-qt
 
     # Nix things
     nixfmt
@@ -78,4 +76,12 @@
       };
     };
   };
+
+  services.lorri.enable = true;
+
+  programs.direnv = {
+    enable = true;
+    enableBashIntegration = true;
+    enableZshIntegration = true;
+  };
 }