Add type hints to plugin options where possible

This could help beginners to get autocompletion, catch mistakes earlier,
and allow them to skip the docs for simple configs.

This is not perfect because a lot of the plugins type all of their keys
as required, even though they have defaults, but this is good enough.

lua/kickstart/plugins/debug.lua

@@ -6,6 +6,8 @@
 -- be extended to other languages as well. That's why it's called
 -- kickstart.nvim and not kitchen-sink.nvim ;)
 
+---@module 'lazy'
+---@type LazySpec
 return {
   -- NOTE: Yes, you can install new plugins here!
   'mfussenegger/nvim-dap',
@@ -86,11 +88,13 @@ return {
 
     -- Dap UI setup
     -- For more information, see |:help nvim-dap-ui|
+    ---@diagnostic disable-next-line: missing-fields
     dapui.setup {
       -- Set icons to characters that are more likely to work in every terminal.
       --    Feel free to remove or use ones that you like more! :)
       --    Don't feel like these are good choices.
       icons = { expanded = '▾', collapsed = '▸', current_frame = '*' },
+      ---@diagnostic disable-next-line: missing-fields
       controls = {
         icons = {
           pause = '⏸',