Fixed broken link in Cloudflare SSR adapter README

[isaac-mcfadyen]

Changes

• There was a broken Markdown link in the Cloudflare SSR adapter README.md
• It was mistakenly typed as (link)[URL] instead of the proper [link](URL)
• This PR fixes that.

Testing

• Docs change only, no tests needed

Docs

• Updated README.md for Astro's Cloudflare SSR adapter

[changeset-bot]

⚠️ No Changeset found

Latest commit: ad7ac06

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[natemoo-re]

Thank you!

[isaac-mcfadyen]

Wow you're fast 😅