fix: Add lineage doc

[yzhu0]

Issue #, if available:

Description of changes:
Add lineage docs in https://sagemaker.readthedocs.io/en/stable/index.html

Testing done:
NA

Merge Checklist

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General

• I have read the CONTRIBUTING doc
• I certify that the changes I am introducing will be backword compatible, and I have discussed concerns about this, if any, with the Python SDK team
• I used the commit message format described in CONTRIBUTING
• I have passed the region in to all S3 and STS clients that I've initialized as part of this change.
• I have updated any necessary documentation, including READMEs and API docs (if appropriate)

Tests

• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added unit and/or integration tests as appropriate to ensure backward compatibility of the changes
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• I have used unique_name_from_base to create resource names in integ tests (if appropriate)

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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-unit-tests
• Commit ID: 9fc0c3f
• Result: FAILED
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• CodeBuild project: sagemaker-python-sdk-local-mode-tests
• Commit ID: 9fc0c3f
• Result: SUCCEEDED
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AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-slow-tests
• Commit ID: 9fc0c3f
• Result: SUCCEEDED
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[sagemaker-bot]

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• CodeBuild project: sagemaker-python-sdk-unit-tests
• Commit ID: 7c448b4
• Result: FAILED
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• CodeBuild project: sagemaker-python-sdk-local-mode-tests
• Commit ID: 7c448b4
• Result: SUCCEEDED
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AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-slow-tests
• Commit ID: 7c448b4
• Result: SUCCEEDED
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[navinsoni]

spinx is failing.

[codecov-commenter]

Codecov Report

Merging #2937 (b791ad4) into dev (8215dd2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #2937   +/-   ##
=======================================
  Coverage   89.48%   89.48%           
=======================================
  Files         196      196           
  Lines       16592    16592           
=======================================
  Hits        14847    14847           
  Misses       1745     1745           

---

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AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-local-mode-tests
• Commit ID: b791ad4
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-unit-tests
• Commit ID: b791ad4
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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[sagemaker-bot]

AWS CodeBuild CI Report

• CodeBuild project: sagemaker-python-sdk-slow-tests
• Commit ID: b791ad4
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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