Improve overall code with pwsh best practices

[rebelinux]

[0.9.9] - Unreleased

Added

• Add disclaimer warning to README.md about report usage and liability

Changed

• Improve error logging and handling for initial Forest and Domain discovery process
• Update module version to 0.9.9
• Improve overall code with pwsh best practices

Fixed

• Fix cannot index into a null array error when generating Trusts diagrams for domains with no trusts defined
• Fix Trusts diagram generation when multiple domains are present in the report
• Fix issue with Global:Report variable