* 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