Add Project snapshot for the inspection layer

[ravi-kumar-pilla]

Description

Resolves #5431

NOTE:

1. This PR is based out of Inspection API skeleton and ProjectMetadataSnapshot implementation #5447, Add Node and Pipeline snapshots for the inspection layer #5449, Add Dataset snapshots for the inspection layer #5451 . So for additional context have a look at the other PRs
2. There is a TODO in this PR for which I require some inputs from the reviewers.

Development notes

• Added helper utility for assembling Kedro inspection snapshots.
• Updated kedro/inspection/models.py
• Updated kedro/inspection/snapshot.py
• Added tests/inspection/test_helper.py
• Added tests/inspection/test_project_snapshot.py

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Checklist

• Read the contributing guidelines
• Signed off each commit with a Developer Certificate of Origin (DCO)
• Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• Updated the documentation to reflect the code changes
• Added a description of this change in the RELEASE.md file
• Added tests to cover my changes
• Checked if this change will affect Kedro-Viz, and if so, communicated that with the Viz team