Enhance webpack.yml with Node.js setup and monitoring

[FanzCEO]

Added Node.js setup step and RN Activity Monitor to the workflow.

Closes #ISSUE_NUMBER_GOES_HERE

🎉 🎉 🎉

Description

......

Changes

• High level
• changes that
• you made

Reusable Code/Components

Steps to Test

1. Steps
2. to
3. test

Zeplin Design

Quality Assurance

• The branch name is in lowercase-kebab-case with no prefix (unless it was created from Clubhouse)
• The base branch is develop or gau (no nested branches)
• This is related to a maximum of one Clubhouse story or GitHub issue
• Types are safe (avoid TypeScript/TSLint features like any and disable, instead use more specific types)
• If code is copied from existing directories, there is an explanation of why this is necesary in the description/changes, and all copying is done in separate commits to make them easy to filter out