Enable git credential cache

configuration.nix

@@ -140,6 +140,16 @@
     };
   };
 
+  # Install git and enable cache
+  programs.git = {
+    enable = true;
+	config = {
+	  credential = {
+	    helper = "cache --timeout 21600";
+      };
+    };
+  };
+
   # Install Neovim
   programs.neovim = {
     enable = true;
@@ -180,7 +190,6 @@
     firefoxpwa
     gcc
     gimp
-    git
     ibm-plex
     imagemagick
     kdePackages.kdenlive