fix: fix format and process function behaviours

lua/Trans/core/translate.lua

@@ -21,6 +21,7 @@ local function get_opts(opts)
         opts.engine = { opts.engine }
     end
 
+
     if opts.win then
         local width, height = opts.win.width, opts.win.height
         if width and width > 0 and width <= 1 then
@@ -35,6 +36,7 @@ local function get_opts(opts)
     return vim.tbl_extend('force', default_conf, opts)
 end
 
+
 -- EXAMPLE :
 -- require('Trans').translate({
 --     method = 'input', -- 不填则自动判断mode获取查询的单词
@@ -52,6 +54,7 @@ end
 -- })
 
 
+
 local function create_win(win)
     local bufnr = vim.api.nvim_create_buf(false, true)
 
@@ -81,6 +84,7 @@ local function create_win(win)
     return bufnr, winid
 end
 
+
 local function translate(opts)
     vim.validate {
         opts = { opts, 'table', true }