Added emmylua annotations where valuable

lua/plugins/lsp.lua

@@ -10,6 +10,7 @@ return {
         config = function()
             vim.api.nvim_create_autocmd("LspAttach", {
                 group = vim.api.nvim_create_augroup("kickstart-lsp-attach", { clear = true }),
+                ---@param event { buf: number, data: { client_id: number } }
                 callback = function(event)
                     local lsp_keys = require("config.keys").lsp
                     for _, map in ipairs(lsp_keys) do