Add TODO's for dealing with v0.10.0 features

lua/plugins/comment.lua

@@ -1,4 +1,5 @@
 return {
+  -- TODO: v0.10.0 Added built-in |commenting| support.
   'terrortylor/nvim-comment',
   config = function()
     require('nvim_comment').setup({

lua/plugins/completions.lua

@@ -181,6 +181,9 @@ return {
         vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, opts)
 
         -- Help mappings
+        -- TODO: v0.10.0 |vim.lsp.start()| now maps |K| to use
+        -- |vim.lsp.buf.hover()| if the server supports it, unless
+        -- |'keywordprg'| was customized before calling |vim.lsp.start()|.
         vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
         vim.keymap.set('i', '<C-h>', vim.lsp.buf.signature_help, opts)