Add mappings for jumping to previous or next git item.

doc/nvim-tree-lua.txt

@@ -145,6 +145,8 @@ INFORMATIONS				        *nvim-tree-info*
 - type 'p' to paste from clipboard. Cut clipboard has precedence over copy
   (will prompt for confirmation)
 - type 'd' to delete a file (will prompt for confirmation)
+- type ']c' to go to next git item
+- type '[c' to go to prev git item
 
 - if the file is a directory, '<CR>' will open the directory
 - otherwise it will open the file in the buffer near the tree
@@ -166,18 +168,20 @@ 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:          '<c-]>',
-	\ preview:     '<Tab>',
-        \ create:      'a',
-        \ remove:      'd',
-        \ rename:      'r',
-        \ cut:         'x',
-        \ copy:        'c',
-        \ paste:       'p',
+        \ edit:          '<cr>',
+        \ edit_vsplit:   '<c-v>',
+        \ edit_split:    '<c-x>',
+        \ edit_tab:      '<c-t>',
+        \ cd:            '<c-]>',
+        \ preview:       '<Tab>',
+        \ create:        'a',
+        \ remove:        'd',
+        \ rename:        'r',
+        \ cut:           'x',
+        \ copy:          'c',
+        \ paste:         'p',
+        \ prev_git_item: '[c',
+        \ next_git_item: ']c',
 	\ }
 
 |Features|					*nvim-tree-features*