Conductor environment variables

Conductor makes these environment variables available in your terminal and scripts:

Variable	Description
CONDUCTOR_WORKSPACE_NAME	Workspace name
CONDUCTOR_WORKSPACE_PATH	Workspace path
CONDUCTOR_ROOT_PATH	Path to the repository root directory
CONDUCTOR_DEFAULT_BRANCH	Name of the default branch (defaults to `main`)
CONDUCTOR_PORT	First in a range of 10 ports assigned to the workspace