[DX-1652] Plugin Bundle CLI Improvements

[dcs3spp]

User description

For internal users - Please add a Jira DX PR ticket to the subject!

DX-1652

---

Preview Link

preview

Description

Improve bundle CLI content to give required prerequisites following previous review

Screenshots (if appropriate)

Checklist

• [x] I have added a preview link to the PR description.
• [x] I have reviewed the suggestions made by our AI (PR Agent) and updated them accordingly (spelling errors, rephrasing, etc.)
• [x] I have reviewed the guidelines for contributing to this repository.
• [x] I have read the technical guidelines for contributing to this repository.
• [x] Make sure you have started your change off our latest master.
• [x] I labeled the PR

---

PR Type

documentation

---

Description

• Added a new section on prerequisites for creating plugin bundles, detailing necessary files like manifest.json, plugin source code files, and optional certificate keys.
• Provided a suggested directory structure for organizing plugin bundles in Golang, Javascript, and Python.
• Included a Docker example for creating plugin bundles for Tyk Gateway versions earlier than 5.5, detailing the command and its purpose.
• Enhanced the documentation with additional command options and notes for creating plugin bundles, improving clarity and usability.

---

Changes walkthrough 📝

Relevant files

Documentation

bundle-cli.md Enhance Plugin Bundle CLI Documentation with Prerequisites and Docker Example tyk-docs/content/product-stack/tyk-gateway/advanced-configurations/plugins/bundles/bundle-cli.md Added prerequisites section detailing required files and configurations for plugin bundles. Introduced a directory structure guide for Golang, Javascript, and Python bundles. Added a Docker example for creating plugin bundles for Gateway versions Enhanced documentation with command options and additional notes for bundle creation. +86/-5

---

💡 PR-Agent usage: Comment /help on the PR to get a list of all available PR-Agent tools and their descriptions