fix(api): copy is a table, copy -> copy.name

fixes #1461

Author: kyazdani42

doc/nvim-tree-lua.txt

@@ -992,10 +992,10 @@ exists.
     - trash
     - rename
     - rename_sub
-    - copy
     - cut
     - paste
     - print_clipboard
+    - copy.name
     - copy.absolute_path
     - copy.filename
     - copy.relative_path

lua/nvim-tree/api.lua

@@ -37,10 +37,10 @@ Api.fs.remove = inject_node(require("nvim-tree.actions.fs.remove-file").fn)
 Api.fs.trash = inject_node(require("nvim-tree.actions.fs.trash").fn)
 Api.fs.rename = inject_node(require("nvim-tree.actions.fs.rename-file").fn(false))
 Api.fs.rename_sub = inject_node(require("nvim-tree.actions.fs.rename-file").fn(true))
-Api.fs.copy = inject_node(require("nvim-tree.actions.fs.copy-paste").copy)
 Api.fs.cut = inject_node(require("nvim-tree.actions.fs.copy-paste").cut)
 Api.fs.paste = inject_node(require("nvim-tree.actions.fs.copy-paste").paste)
 Api.fs.print_clipboard = require("nvim-tree.actions.fs.copy-paste").print_clipboard
+Api.fs.copy.name = inject_node(require("nvim-tree.actions.fs.copy-paste").copy)
 Api.fs.copy.absolute_path = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_absolute_path)
 Api.fs.copy.filename = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_filename)
 Api.fs.copy.relative_path = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_path)