Expand docs to include all flamlized estimators

[Copilot]

• Reset to current main branch (67bdcde)
• Add documentation for LGBMClassifier
• Add documentation for XGBRegressor
• Add documentation for RandomForestRegressor
• Add documentation for RandomForestClassifier
• Add documentation for ExtraTreesRegressor
• Add documentation for ExtraTreesClassifier
• Verify all 8 estimators documented (232 lines added)
• Clean history - single commit on top of main
• Run pre-commit to fix formatting issues

Original prompt

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This section details on the original issue you should resolve

<issue_title>Expand the docs to include new estimators</issue_title>
<issue_description>It would be good to expand the docs at some point to include these estimators, but that can be done as part of a separate issue.

Originally posted by @dannycg1996 in #1366 (review)
</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Expand the docs to include new estimators #1367

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[thinkall]

@copilot, re-plan and re-do the task based on the new main branch.

[Copilot]

@copilot, re-plan and re-do the task based on the new main branch.

The branch has been updated and is now based on the latest main (commit 67bdcde). All 8 flamlized estimators are documented in website/docs/Examples/Default-Flamlized.md:

• LGBMRegressor ✓
• LGBMClassifier ✓ (added)
• XGBRegressor ✓ (added)
• XGBClassifier ✓
• RandomForestRegressor ✓ (added)
• RandomForestClassifier ✓ (added)
• ExtraTreesRegressor ✓ (added)
• ExtraTreesClassifier ✓ (added)

The documentation follows the same structure as existing examples with prerequisites, zero-shot AutoML code, and sample output for each estimator.

[thinkall]

@copilot, run "pre-commit run --all-files" to fix formats.

[Copilot]

@copilot, run "pre-commit run --all-files" to fix formats.

Ran pre-commit run --all-files and fixed markdown formatting issues. The changes removed unnecessary backslash escaping in [autozero] references (commit 6815d63).