Moved nvimtree.vim to nvimtree.lua (#151)

lua/nv-nvimtree/init.lua

@@ -52,4 +52,22 @@ vim.g.nvim_tree_bindings = {
     ["-"] = tree_cb("dir_up"),
     ["q"] = tree_cb("close")
 }
+vim.g.nvim_tree_icons = {
+    default = '',
+    symlink = '',
+    git = {
+        unstaged = "",
+        staged = "✓",
+        unmerged = "",
+        renamed = "➜",
+        untracked = "✗"
+    },
+    folder = {
+        default = "",
+        open = "",
+        empty = "",
+        empty_open = "",
+        symlink = ""
+    }
+}
 vim.cmd([[source ~/.config/nvim/vimscript/nv-nvimtree/init.vim]])