chore: move plugins to an upper level

lua/config/plugins/harpoon.lua

@@ -1,35 +0,0 @@
-local M = {
-  "ThePrimeagen/harpoon",
-  branch = "harpoon2",
-
-  dependencies = {
-    "nvim-lua/plenary.nvim",
-  },
-}
-
-M.config = function()
-  local harpoon = require("harpoon")
-
-  harpoon:setup({
-    settings = {
-      save_on_toggle = true,
-      sync_on_ui_close = true,
-    },
-  })
-
-  nmap("<leader>a", function()
-    harpoon:list():add()
-  end, { desc = "Harpoon: Append" })
-
-  nmap("<leader>h", function()
-    harpoon.ui:toggle_quick_menu(harpoon:list())
-  end, { desc = "Harpoon: Toggle Quick Menu" })
-
-  for i = 1, 4 do
-    nmap("<leader>" .. i, function()
-      harpoon:list():select(i)
-    end, { desc = "Harpoon: Select " .. i })
-  end
-end
-
-return M