chore: add type annotations to (almost) all functions

lua/nvim-tree/actions/node/run-command.lua

@@ -6,6 +6,8 @@ local M = {}
 ---Retrieves the absolute path to the node.
 ---Safely handles the node representing the current directory
 ---(the topmost node in the nvim-tree window)
+---@param node Node
+---@return string
 local function get_node_path(node)
   if node.name == ".." then
     return utils.path_remove_trailing(core.get_cwd())
@@ -14,6 +16,7 @@ local function get_node_path(node)
   end
 end
 
+---@param node Node
 function M.run_file_command(node)
   local node_path = get_node_path(node)
   vim.api.nvim_input(": " .. node_path .. "<Home>")