docs: Provide feedback when cloning submodules

[townie]

Changes 🏗️

Added --progress to the submodule update, so that cloning progress can be tracked and does not appear to hang.

Checklist 📋

For code changes:

• No code change, just docs.

Example test plan

• Create from scratch and execute an agent with at least 3 blocks
• Import an agent from file upload, and confirm it executes correctly
• Upload agent to marketplace
• Import an agent from marketplace and confirm it executes correctly
• Edit an agent from monitor, and confirm it executes correctly

For configuration changes:

• No configuration change, just docs.

Provide feedback when cloning submodules

• now updating submodules shows the cloning repo's progress

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ townie
❌ Your Name

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[qodo-merge-pro]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

[github-actions]

This PR targets the master branch but does not come from dev or a hotfix/* branch.

Automatically setting the base branch to dev.

[deepsource-io]

Here's the code health analysis summary for commits 610be98..ebcbd33. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success		View Check ↗
Python	✅ Success		View Check ↗

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[ntindle]

This should be good to merge when the CLA is fixed, I think your email you have on your git config may be weird. LMK if you need help here and we can look at it from our side

[aarushik93]

thanks, this is a good addition