Feature: Add new "Revisiting Webpack" lesson to both pathways

[MaoShizhong]

Because

In curriculum #27962, a new lesson is being added as part of a larger Webpack rewrite + split.

This PR

• Adds the new Revisiting Webpack lesson details
• Adds this new lesson to both pathways' lesson lists

Issue

N/A

Additional Information

This will be something to only be merged after the following 3 PRs have been merged:

• (ES6 Modules: Rewrite lesson (alongside separate PR for Webpack rewrite) curriculum#27953)
• (Webpack: Rewrite lesson with in-house tutorial (alongside ES6 Modules rewrite) curriculum#27961)
• (Webpack: New second lesson after Project Restaurant Page curriculum#27962)

Pull Request Requirements

• I have thoroughly read and understand The Odin Project Contributing Guide
• The title of this PR follows the keyword: brief description of change format, using one of the following keywords:
  • Feature - adds new or amends existing user-facing behavior
  • Chore - changes that have no user-facing value, refactors, dependency bumps, etc
  • Fix - bug fixes
• The Because section summarizes the reason for this PR
• The This PR section has a bullet point list describing the changes in this PR
• I have verified all tests and linters pass after making these changes.
• If this PR addresses an open issue, it is linked in the Issue section
• If applicable, this PR includes new or updated automated tests