refactor: updated method by which the Factories assess secret objects
refactor: updated 'SecretsManager' console responses
feat: added 'secretproviderlist' console command
feat: added 'secretproviderinfo' console command
feat: added 'CrestronGlobalSecretsProvider'
feat: Added 'Description' property to 'ISecretProvider'
feat: added 'TestSecret' method to 'ISecretProvider'
docs: added xml comments to 'ISecretProvider'
docs: added xml comments to 'ISecret'
refactor: cleaned up crestron default secrets provider classes
refactor: moved 'CrestronSecret' to its own class file
refactor: overhauled all secrets-related console commands