* feat(harpoon.lua): add keymaps for navigating between files and toggling quick menu

* feat(keymaps.lua): add keymap for deleting all buffers except current
* feat(nvim-tree.lua): add autocmd to go to last used hidden buffer when deleting a buffer
* chore(init.lua): add ThePrimeagen/harpoon plugin to the list of plugins

* chore(nvim-tree.lua): add missing comma in filters table
* feat(surround.lua): add kylechui/nvim-surround plugin configuration

lua/custom/plugins/nvim-tree.lua

@@ -7,8 +7,8 @@ return {
         },
         config = function()
             require("nvim-tree").setup {
-                filters = { custom = { "^.git$" } }
+                filters = { custom = { "^.git$" } },
             }
         end,
     }
-}
+}