Add Perl + MongoDB quickstart

[Akshat005Chaudhary]

Added quickstart for another language (Perl)

Summary

This PR adds a new Perl + MongoDB Quickstart to the Keploy documentation (latest version: v4.0.0).
The guide is written to be beginner-friendly and demonstrates how to integrate Keploy with a Perl-based
application using MongoDB for integration testing.

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What This Quickstart Covers

The new quickstart includes:

• ✅ Local setup (run the Perl app without Docker)
• ✅ Docker Compose setup (app + MongoDB container)
• ✅ Keploy integration workflow
• ✅ Working Record mode (keploy record)
• ✅ Working Replay mode (keploy replay)
• ✅ Step-by-step instructions with expected outputs
• ✅ Clean terminal screenshots (white background) for Keploy commands

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Docs Changes Included

This PR updates the docs website to properly surface the new quickstart:

• Added quickstart page:

  • versioned_docs/version-4.0.0/quickstart/perl-mongo.md

• Added sidebar entry:

  • versioned_sidebars/version-4.0.0-sidebars.json

• Added Perl as a supported language in QuickStart filtering UI:

  • src/components/QuickStartFilter.js

• Listed the quickstart in the QuickStart cards view (Local + Docker flows):

  • src/components/QuickStartList.js

• Added required images under:

  • static/img/quickstart/perl-mongo/

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Build and Validation

• ✅ Docs build passes locally:

npm run build

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[github-actions]

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