docs(tutorial): new tutorial layout

[aliemir]

Added /tutorial to our documentation and applied the brand new tutorial layout.

Self Check before Merge

Please check all items below before review.

• [x] Corresponding issues are created/updated or not needed
• [x] Docs are updated/provided or not needed
• [x] Examples are updated/provided or not needed
• [x] TypeScript definitions are updated/provided or not needed
• [x] Tests are updated/provided or not needed
• [x] Changesets are provided or not needed

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 8c73786e8f1956c5ff5d46c5c4446848a5b5ca0f

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✅ Successfully ran 2 targets

• lerna run test --stream --scope @refinedev/* --scope create-refine-app
• lerna run build --ignore=monorepo-* --ignore with-nx --scope @refinedev/* --scope create-refine-app

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