change to Docker entrypoint.sh

Hi All!

I am new to this, so I apologize beforehand if it's not entirely kosher, but I have a proposed change to the Dockerfile entrypoint.sh to allow for configurable servers.json filename path.

The reasoning behind this is that I have a Kubernetes deployment of pgadmin where I build a ConfigMap sort of dynamically. I can make the file appear in /pgadmin4, but it removes the contents of the directory for me (helpful!). Instead, I put it into a separate directory and set a new environment variable that defaults to the old pathname (backwards-compatible!) but allows me to set a custom environment variable in my custom Helm chart for my deployment.

The code is here:

Is this something that anyone is interested in?

Does it meet your coding standards?

What do I do next?

I would love to move back to the "official" pgadmin container.

Thanks for your time,

Andrew