fix: WEB-625 Update fullwidth prop

[carlagn]

Add full width prop for tables.

Fixes #WEB-625

[github-actions]

original	preview
content/100-getting-started/02-setup-prisma/200-add-to-existing-project/110-relational-databases/300-next-steps.mdx	content/100-getting-started/02-setup-prisma/200-add-to-existing-project/110-relational-databases/300-next-steps.mdx
content/100-getting-started/index.mdx	content/100-getting-started/index.mdx

[github-actions]

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[meletj]

@carlagn Sorry my bad, this shouldn't be full width but rather the same as on https://www.prisma.io/docs/getting-started/setup-prisma/start-from-scratch/relational-databases/next-steps#try-a-prisma-orm-example