* chore: add removing old files function to the scripts.
chore: add removing old files function to the scripts.
* docs: update by ./bin/go-gin-petstore-server.sh
* docs: update by ./bin/go-petstore-server.sh
* docs: update by ./bin/go-petstore-withxml.sh
* docs: update by ./bin/openapi3/go-petstore-server.sh
* docs: update by ./bin/security/go-petstore.sh
* copy from go-server and add go-gin-server generator
* change the templates for the gin
* fix warnings of the golint tool
* fix the path of script
* add samples
* delete unnecessary comments (#1048)
* make the help message more appropriate (#1048)
* fix the link address format (#1048)
* minor improvement