Add Scheduling section to DataFrame best practices

[phofl]

• Closes #xxxx
• Tests added / passed
• Passes pre-commit run --all-files

[github-actions]

Unit Test Results

See test report for an extended history of previous test failures. This is useful for diagnosing flaky tests.

     15 files  ±0       15 suites  ±0   3h 22m 5s ⏱️ - 1m 2s
 13 121 tests ±0   12 181 ✅  - 1     931 💤 ±0  9 ❌ +1 
162 468 runs  ±0  142 362 ✅ +2  20 097 💤  - 3  9 ❌ +1 

For more details on these failures, see this check.

Results for commit ed87fc8. ± Comparison against base commit dafb6ac.