[Feature] Add --exclude to octopus pack

[benPearce1]

octopus pack already has a --include parameter (supporting globs).

In addition, please add an --exclude parameter.

Use cases:

• Exclude **/*.config files
• Exclude **/*.local.env files
• Exclude AppData/** dir

Ported from https://github.com/OctopusDeploy/OctopusCLI/issues/106