chore: add type annotations to (almost) all functions

lua/nvim-tree/actions/reloaders/reloaders.lua

@@ -8,6 +8,9 @@ local Iterator = require "nvim-tree.iterators.node-iterator"
 
 local M = {}
 
+---@param node Node
+---@param projects table
+---@param unloaded_bufnr number|nil
 local function refresh_nodes(node, projects, unloaded_bufnr)
   Iterator.builder({ node })
     :applier(function(n)
@@ -22,6 +25,8 @@ local function refresh_nodes(node, projects, unloaded_bufnr)
     :iterate()
 end
 
+---@param parent_node table
+---@param projects table
 function M.reload_node_status(parent_node, projects)
   local toplevel = git.get_toplevel(parent_node.absolute_path)
   local status = projects[toplevel] or {}