Merge Allowed/Blocked Endpoints

[CodeShellDev]

Description

Merge both endpoint configs into one by then giving the user the ability to negate the output (blocked/allowed).

Solution

Allow the user to specify allowed and blocked endpoints in one setting by using a ! for example to negate.

Alternatives

Keep as-is.

[CodeShellDev]

Probably still allow for using allowedEndpoints and blockedEndpoints but provide an alternative like endpoints and use negation (default would be allow)
OR
use allowedEndpoints with negation to block and default to allow

[CodeShellDev]

added in #90