[shell] Adds lots of little utilities

home-manager/features/git.nix

@@ -12,9 +12,6 @@
       "l" = "log --oneline";
     };
     extraConfig = {
-      core = {
-        pager = "";
-      };
       pull = {
         rebase = true;
       };
@@ -25,5 +22,7 @@
         defaultBranch = "main";
       };
     };
+    # Enable the delta diff pager.
+    delta.enable = true;
   };
 }