goctl model reactor (#15)

* reactor sql generation

* reactor sql generation

* add console & example

* optimize unit test & add document

* modify default config

* remove test file

* Revert "remove test file"

This reverts commit 81041f9e

* fix stringx.go & optimize example

* remove unused code

tools/goctl/feature/feature.go

@@ -8,12 +8,10 @@ import (
 )
 
 var feature = `
-1、新增对rpc错误转换处理
-  1.1、目前暂时仅处理not found 和 unknown错误
-2、增加feature命令支持，详细使用请通过命令[goctl -feature]查看
+1、增加goctl model支持
 `
 
-func Feature(c *cli.Context) error {
+func Feature(_ *cli.Context) error {
 	fmt.Println(aurora.Blue("\nFEATURE:"))
 	fmt.Println(aurora.Blue(feature))
 	return nil