feat: Update setting for conform.nvim

- Target:
  The file `conform.lua` need be changed to use formatter.

- Changed
  - Update the setting to use code formatter for the plugin `conform.nvim`.
  - Add the shortcut for formatting code.

nvim/lua/keymaps.lua

@@ -66,6 +66,7 @@ pluginKeys.lspKeyBinding = function(mapbuf)
  mapbuf("n", "<leader>gf", ":Lspsaga finder def+ref+imp<CR>", opts)
  mapbuf("n", "<F3>", ":Lspsaga outline<CR>", opts)
  mapbuf("n", "<leader>h", "<cmd>Lspsaga hover_doc<CR>", opts)
+ mapbuf("n", "<leader>=", ":lua vim.lsp.buf.format {async = true}<CR>", opts)
 end
 
 pluginKeys.cmpKeys = function(cmp)

nvim/lua/lsp/conform.lua

@@ -4,4 +4,13 @@ if not status then
  return
 end
 
-conform.setup({})
+conform.setup({
+ formatters_by_ft = {
+ lua = {"stylua"},
+ cpp = {"clangd-format"},
+ c = {"clangd-format"},
+ },
+ format_on_save = false,
+})
+
+vim.o.formatexpr = "v:lua.require'conform'.formatexpr()"