Addition of SAM2.1 Annotator for Instance Segmentation #216

All 58 tests pass, 19 skipped in 3h 16m 44s

6 files ± 0 6 suites ±0 3h 16m 44s ⏱️ + 2h 21m 18s
77 tests - 1 58 ✅ ± 0 19 💤 ± 0 0 ❌ ±0
462 runs +152 344 ✅ +116 118 💤 +38 0 ❌ ±0

Results for commit f8ef89c. ± Comparison against earlier commit 37e2c46.