Ray implementation for link prediction

What's Changed

• Merge gc into main: add graph classification methods by @Lijunhaohz in #15
• merge gc into main by @Lijunhaohz in #16
• merge lp into main by @Lijunhaohz in #17
• merge general_ref into main by @Lijunhaohz in #18
• Add ray to LP by @yuanli3S2023 in #20
• Add Kubernetes and AWS clusters, enable LP using Ray by @yuanli3S2023 in #21
• update version by @yh-yao in #22
• Pin twine back to 5.0.0 to avoid yanked version by @wzjin2017 in #23

New Contributors

• @Lijunhaohz made their first contribution in #15
• @wzjin2017 made their first contribution in #23

Full Changelog: v0.1.1...v0.1.2