Add automated glossary linking with complete term coverage

[solzlivinglife]

• Extract all 79 terms from website/static/glossary/glossary.json
• Created extract_from_json.py to parse glossary JSON
• Created glossary_linker.py with proper code block exclusion
• Fixed paths to use /docs/glossary (Docusaurus absolute paths)
• Fixed slugify to match GlossaryTable.tsx exactly
• Linked 412 glossary terms across 31 documentation files

Features:

• Case-insensitive matching (variable files → Variable File)
• Plural/singular support (keywords → Keyword)
• Test|Task notation support
• Proper exclusion: headings, code blocks, LO blocks
• Preserves original text casing in links
• Complete 79-term glossary coverage

[github-actions]

🚀 Preview deployed to https://robotframework-RFCP-syllabus-pr-88.surge.sh/robotframework-RFCP-syllabus/

[leeuwe]

Here in this line is the correct way how a link should be build up. So not a regular Markdown link, but :term[singular or plural seen in the doc]{term="syllabus term"}
That would then look like:

[github-actions]

🚀 Preview deployed to https://robotframework-RFCP-syllabus-pr-88.surge.sh/robotframework-RFCP-syllabus/

[Snooz82]

@leeuwe @solzlivinglife

There should not happen any renumbering of Learning Objectives and please do not use the glossary technique in Learning Objectives.

[leeuwe]

In the glossary it not says everywhere <GlossaryTerm term={"term"}>term</GlossaryTerm>

However, that should be: :term[Named-Only Arguments]{term="Named-Only Argument"}

This is part of a docusaurus plugin, which makes for the right formatting

[solzlivinglife]

@Snooz82 and @leeuwe, I've updated the PR to use the :term[] directive format as requested.
Changes made:

-: Switched from custom component to Docusaurus :term[] directive
-: Updated glossary_linker.py to output :term[display]{term="canonical"} format
-: Removed custom React components (no longer needed)
-: Excluded learning_objectives.md from glossary linking
-: ~210 glossary links using the existing remark plugin
-: Rebased on latest main

Note on CI failure:
The gen_numbering.py validation is detecting pre-existing section numbering mismatches in chapters 2, 3, and 5 that existed before this PR. These are unrelated to the glossary implementation. This PR only adds :term[] directives and does not modify any section numbers or LO IDs.