Add a panel accessor class for streamlit scripts to call #98

All 26 tests pass in 14s

8 files - 2 8 suites - 2 14s ⏱️ -10s
26 tests ± 0 26 ✅ ± 0 0 💤 ±0 0 ❌ ±0
184 runs - 46 184 ✅ - 46 0 💤 ±0 0 ❌ ±0

Results for commit eb832d1. ± Comparison against earlier commit 859832d.