feature(screenshot-client): added screenshot endpoint

[washingtong33k]

Just adding a way to see the client

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[avoylenko]

Thank you for sharing this great idea with us. The owner of this project @chrishubert might check and merge this this someday, but I have already merged this functionality into a forked project: https://github.com/avoylenko/wwebjs-api/pull/11