Update _index.md

Author: pareenaverma

content/learning-paths/cross-platform/explore-model-artifacts-with-model-explorer/_index.md

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 title: Visualize ExecuTorch, TOSA, and VGF artifacts with Google's Model Explorer and Arm Extensions
 
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 description: Learn how to inspect ExecuTorch PTE, TOSA, VGF, ETRecord, and ETDump model artifacts with Google Model Explorer and Arm extensions.
 
 minutes_to_complete: 90