feat/chore: rewrite git with job and some other fixes (#743)

* feat/chore: rewrite git with job and some other fixes

* fix: fs clear window, rename echo_warning -> warn

also fix renaming and add an event blocker to avoid running many events
at the same time

README.md

@@ -23,7 +23,9 @@ Install with [packer](https://github.com/wbthomason/packer.nvim):
 ```lua
 use {
     'kyazdani42/nvim-tree.lua',
-    requires = 'kyazdani42/nvim-web-devicons',
+    requires = {
+      'kyazdani42/nvim-web-devicons', -- optional, for file icon
+    },
     config = function() require'nvim-tree'.setup {} end
 }
 ```
@@ -72,6 +74,11 @@ require'nvim-tree'.setup {
     dotfiles = false,
     custom = {}
   },
+  git = {
+    enable = true,
+    ignore = true,
+    timeout = 500,
+  },
   view = {
     width = 30,
     height = 30,
@@ -89,7 +96,6 @@ require'nvim-tree'.setup {
 These additional options must be set **BEFORE** calling `require'nvim-tree'` or calling setup.
 They are being migrated to the setup function bit by bit, check [this issue](https://github.com/kyazdani42/nvim-tree.lua/issues/674) if you encounter any problems related to configs not working after update.
 ```vim
-let g:nvim_tree_gitignore = 1 "0 by default
 let g:nvim_tree_quit_on_open = 1 "0 by default, closes the tree when you open a file
 let g:nvim_tree_indent_markers = 1 "0 by default, this option shows indent markers when folders are open
 let g:nvim_tree_git_hl = 1 "0 by default, will enable file highlight for git attributes (can be used without the icons).