feat: add dictionary to docs page

[Uri-Tauber]

It will fails to load right now, since the documentation is fetched from master, and dictionary support is only on develop right now.
Merge after release 1.5.0.

[coderabbitai]

📝 Walkthrough

Walkthrough

The documentation sidebar now includes a “Dictionary” item sourced from docs/dictionary.md, making it available through the existing document selection and hash routing.

Changes

Documentation navigation

Layer / File(s)	Summary
Add Dictionary documentation entry src/pages/DocsPage.jsx	Adds the Dictionary label and markdown download URL to the documentation file list.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• crosspoint-reader/crosspoint-tools#11: Implements the existing documentation sidebar and hash-based markdown loading flow.

Suggested reviewers: itsthisjustin

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: adding the dictionary entry to the docs page.
Description check	✅ Passed	The description is related to the PR and mentions the docs loading/deploy timing issue described in the objectives.
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.

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[coderabbitai]

Actionable comments posted: 1

🤖 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 `@src/pages/DocsPage.jsx`:
- Line 53: Update the Dictionary entry in the DocsPage document list to use a
RAW_BASE ref where docs/dictionary.md exists, or remove/gate the entry until
that file is available; ensure selecting Dictionary no longer targets a 404 URL.

🪄 Autofix (Beta)

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: CHILL

Plan: Pro

Run ID: 700b5119-7095-4855-b04d-18981435275f

📥 Commits

Reviewing files that changed from the base of the PR and between b7c3433 and 66794a1.

📒 Files selected for processing (1)

• src/pages/DocsPage.jsx