feat(which-key): defined some groups

lua/config/keymaps.lua

@@ -77,3 +77,7 @@ vim.keymap.set("n", "<leader>gg", function()
   })
 end, { desc = "Lazygit" })
 
+require("which-key").register({
+  f = { name = "+file" },
+  g = { name = "+git" },
+}, { prefix = "<leader>" })