Catalyst 21.10

[21.10] - 2021-10-30

Tl;dr

Readmes and tutorials with a few ddp fixes.

Added

• RSquareLoss (#1313)
• Self-Supervised example updates: (#1305), (#1322), (#1325), (#1335)
• Albert training example (#1326)
• YOLO-X (new) detection example and refactoring (#1324)
• TopKMetric asbtraction (#1330)

Changed

• simlified readme (#1312)
• improved DDP tutorial (#1327)
• CMCMetric renamed from <prefix>cmc<suffix><k> to <prefix>cmc<k><suffix> (#1330)

Removed

Fixed

• Zero seed error (#1329)
• updated codestyle issues (#1331)
• TopK metrics: (#1330), (#1334), (#1339)
• --expdir param for catalyst-dl run (#1338)
• ControlFlowCallback for distributed setup (#1341)