Add some stuff to (hopefully) improve performance of git (and therefore everything else)
diff --git a/src/apps/personal/git.nix b/src/apps/personal/git.nix
index c729a87..0422237 100644
--- a/src/apps/personal/git.nix
+++ b/src/apps/personal/git.nix
@@ -21,6 +21,9 @@
             pull.rebase = "merges";
             credential.helper = "store";
             commit.signOff = true;
+            core.splitIndex = true;
+            core.untrackedCache = true;
+            core.fsmonitor = true;
         };
     };