[WIP] Drift Calculation on Spark

Updates

• feature/ui update dependencies by @DimaAmega in #818
• Add test suite dashboard panels by @mike0sv in #817
• Spark engine by @mike0sv in #806
• Better CI by @DimaAmega in #822
• Doc: dvclive integration by @francesco086 in #825
• Additional datasets field for run by @mike0sv in #824
• MobAd BigData Beeline Kazakhstan: add lift table and lift curve metrics by @IlmuratTokhtakhunov in #544
• Adult dataset demo by @mike0sv in #837
• Add spark example by @mike0sv in #838

Fixes:

• Fix RemoteWorkspace verify by @vlin-lgtm in #823
• refactor: Rewrote verify method of RemoteWorkspace by @mou in #827
• [docs] fix typos in docs by @jameslamb in #828
• Fix after merge 818 by @DimaAmega in #830
• fix lint by @mike0sv in #831
• fix for lift metrics by @emeli-dral in #835

Full Changelog: v0.4.7...v0.4.8