nvim: stop using after

rationale: https://vi.stackexchange.com/a/12735

.config/nvim/plugin/oil.lua

@@ -0,0 +1,34 @@
+require("oil").setup {
+    -- This bug would prevent downloading language files from working
+    -- https://github.com/stevearc/oil.nvim/issues/483
+    default_file_explorer = false,
+    columns = {
+        -- "icon",
+        -- "permissions",
+        -- "size",
+        -- "mtime",
+    },
+    skip_confirm_for_simple_edits = true,
+    prompt_save_on_select_new_entry = false,
+    keymaps = {
+        ["g?"] = "actions.show_help",
+        ["<CR>"] = "actions.select",
+        -- ["<C-v>"] = "actions.select_vsplit",
+        ["<C-x>"] = "actions.select_split",
+        ["<C-t>"] = "actions.select_tab",
+        ["<C-p>"] = "actions.preview",
+        ["<C-c>"] = "actions.close",
+        ["<C-l>"] = "actions.refresh",
+        ["-"] = "actions.parent",
+        ["_"] = "actions.open_cwd",
+        ["`"] = "actions.cd",
+        ["~"] = "actions.tcd",
+        ["gs"] = "actions.change_sort",
+        ["gx"] = "actions.open_external",
+        ["g."] = "actions.toggle_hidden",
+        ["g\\"] = "actions.toggle_trash",
+    },
+    view_options = {
+        show_hidden = true,
+    },
+}