Feature: add option for user keybindings

doc/nvim-tree-lua.txt

@@ -109,6 +109,22 @@ INFORMATIONS				        *nvim-tree-info*
 - Double left click acts like '<CR>'
 - Double right click acts like '.'
 
+|g:lua_tree_bindings|                             *g:lua_tree_bindings*
+
+you can change default keybindings by defining this variable.
+default keybindings will be applied to undefined keys.
+>
+    let g:lua_tree_bindings = {
+	\ edit:        '<cr>',
+        \ edit_vsplit: '<c-v>',
+        \ edit_split:  '<c-x>',
+        \ edit_tab:    '<c-t>',
+        \ cd:          '.',
+        \ create:      'a',
+        \ remove:      'd',
+        \ rename:      'r'
+	\ }
+
 |Features|					*nvim-tree-features*
 
 File icons with vim-devicons.

doc/tags

@@ -3,6 +3,7 @@
 :LuaTreeToggle	nvim-tree-lua.txt	/*:LuaTreeToggle*
 g:lua_tree_auto_close	nvim-tree-lua.txt	/*g:lua_tree_auto_close*
 g:lua_tree_auto_open	nvim-tree-lua.txt	/*g:lua_tree_auto_open*
+g:lua_tree_bindings	nvim-tree-lua.txt	/*g:lua_tree_bindings*
 g:lua_tree_follow	nvim-tree-lua.txt	/*g:lua_tree_follow*
 g:lua_tree_ignore	nvim-tree-lua.txt	/*g:lua_tree_ignore*
 g:lua_tree_show_icons	nvim-tree-lua.txt	/*g:lua_tree_show_icons*