Set pgtune form entries from url params

[n-rodriguez]

Is your feature request related to a problem? Please describe.

It would be nice/handful to set pgtune form entries from url params

Describe the solution you'd like

Calling https://pgtune.leopard.in.ua/?db_version=16 should set DB version to 16 and so on

Describe alternatives you've considered

None

Additional context

None

Thank you!