docs: fix page title in reference pagesnot showing + refactor workflows reference

[shahednasser]

• Fix page title not showing in references pages
• Refactor workflow reference generator to generate less files + point to the correct step document in a workflow's reference.
• Small change to the sidebar

Closes DX-1195

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
api-reference	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 4:03pm
api-reference-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 4:03pm
docs-ui	❌ Failed (Inspect)			Dec 10, 2024 4:03pm
docs-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 4:03pm
medusa-dashboard	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 4:03pm
resources-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 10, 2024 4:03pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
medusa-docs	⬜️ Ignored (Inspect)			Dec 10, 2024 4:03pm

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