cywl/azureagent repository overview

Based on document https://docs.microsoft.com/en-us/azure/devops/pipelines/agents/docker?view=azure-devops⁠

Environment variables:
AZP_URL - The URL of the Azure DevOps or Azure DevOps Server instance. Like https://dev.azure.com/{organisation}/{project}⁠
AZP_TOKEN - Personal Access Token (PAT) with Agent Pools (read, manage) scope, created by a user who has permission to configure agents, at AZP_URL.
AZP_AGENT_NAME - Agent name (default value: the container hostname).
AZP_POOL - Agent pool name (default value: Default).
AZP_WORK - Work directory (default value: _work).