v0.2.0

What's Changed

• Add function annotations by @narumiruna in #38
• Add 3.7 and 3.8 to unittest python versions by @narumiruna in #39
• get LRScheduler if it exists by @narumiruna in #61
• replace AttrDict and Config by OmegaConf by @narumiruna in #62
• bump version to 0.2.0 by @narumiruna in #63
• ci: improve GitHub workflows by @narumiruna in #64

Full Changelog: v0.1.1...v0.2.0