docs: add Template Library documentation to HSM Templates

[priyanshu6238]

Summary

• Documents the new Template Library feature under HSM Templates — browsing pre-approved WhatsApp message templates grouped by use case, previewing them, and using "Create from template" to pre-fill the create-template form.
• Covers both entry points: from the Templates list page and from inside the Create Template form.
• Adds 5 screenshots (static/img/hsm-templates/) showing the library button, the modal with use-case groups, a template preview, the pre-filled form, and the button on the Create page.
• Bumps the page's read time (10 → 12 min) and "Last Updated" to August 2026.

[coderabbitai]

📝 Walkthrough

Walkthrough

The HSM Templates document now includes instructions for using the Template Library. The instructions cover access, filtering, previewing, creation, review, and submission of pre-approved templates. The document also explains that administrator enablement is required when the library button is unavailable. The displayed reading time and last-updated date were changed to 12 minutes and August 2026.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No pull request description was provided, so its relevance to the documentation changes cannot be evaluated.	Add a brief description that explains the new Template Library documentation and its scope.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly and concisely describes the addition of Template Library documentation to HSM Templates.

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[github-actions]

🚀 Deployed on https://deploy-preview-670--glific-docs.netlify.app

[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@docs/4`. Product Features/06.  HSM Templates.md:
- Line 46: Update the ordered-list prefixes in the Template Library
documentation to use 1. for every item, including the items currently numbered
2., 3., 4., and 5. Apply the same correction to the corresponding lists at the
referenced sections.
- Line 36: Revise the HSM Templates description to present library entries as
pre-filled starting points rather than implying faster approval from the Utility
category. State that Meta approval depends on the final content submitted, while
preserving that every field remains editable before submission.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 6f873883-66e1-48f8-9935-90c0babf0ea3

📥 Commits

Reviewing files that changed from the base of the PR and between 88a8b89 and 0673183.

⛔ Files ignored due to path filters (5)

• static/img/hsm-templates/hsm-templates_library_button.png is excluded by !**/*.png
• static/img/hsm-templates/hsm-templates_library_from_create_page.png is excluded by !**/*.png
• static/img/hsm-templates/hsm-templates_library_modal.png is excluded by !**/*.png
• static/img/hsm-templates/hsm-templates_library_prefilled_form.png is excluded by !**/*.png
• static/img/hsm-templates/hsm-templates_library_preview.png is excluded by !**/*.png

📒 Files selected for processing (1)

• docs/4. Product Features/06. HSM Templates.md