Support running GraphScope on macOS

[yecol]

Is your feature request related to a problem? Please describe.

• When running the demo on macOS with minikube/docker-desktop, it occurs error due to a known issue about exposing address.
• learning feature doesn't support yet on macOS.

Describe the solution you'd like

• make it fully support on macOS.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[sighingnow]

The status of MacOS support:

• minikube: works
• kubernetes in Docker Desktop: works after the "load-balancer" PR (Add load balance service type #24)
• the gremlin endpoint part: still in-progress by @shirly121.

There will be a CI workflow for MacOS later after everything being fixed.