[Serve] Improve logging (alpa-projects#724)

Update setup.py [skip ci]

[RUNTIME] Fix ray placement group (alpa-projects#655)

[CI/CD] Store version number in alpa._version__ (alpa-projects#626)

[FEATURE] Serialize Parallel Plan (alpa-projects#587)

[Fix] Improve compilation speed by using Set instead of List for query (

alpa-projects#567)

Merge PlacementSpec and LoadInfo (alpa-projects#540)

[Doc] add a tutorial for inference (alpa-projects#538)

Add pytorch dependencies to CI Dockerfile and enable test (alpa-proje…

…cts#503)

Update tf version (alpa-projects#480)