feat(docs): add copy button & breadcrumbs

[mateuszlampert]

Description

This PR:

• adds copy button to docs so user can copy reference docs in gpt or claude
• adds breadcrumbs for easier navigation
• bumps version of plugin for llms.txt and updates it's config (.md files are now enabled and only actual content is included in llms.txt)

Introduces a breaking change?

• Yes
• No

Type of change

• Bug fix (change which fixes an issue)
• New feature (change which adds functionality)
• Documentation update (improves or adds clarity to existing documentation)
• Other (chores, tests, code style improvements etc.)

Tested on

• iOS
• Android

Testing instructions

• yarn
• yarn build
• yarn serve

Check:

• llms.txt
• check if Copy page button works
• check if breadcrumbs work

Screenshots

Related issues

#749

Checklist

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly
• My changes generate no new warnings

Additional notes

NOTE: we should update algolia crawler config to exluded routes with .md

[msluszniak]

Ok, copy button, breadcrumbs and updated llms.txt works. Do we want to update algolia in this PR?

[mateuszlampert]

I need to update algolia directly in the dashboard. I will do this before merging the PR. cc: @msluszniak