* Add Gateway API blog
* Spelling
* Relative links
* Link Gateway API docs
* Update content/en/blog/2022/gateway-api-beta/index.md
Co-authored-by: Frank Budinsky <frankb@ca.ibm.com>
* Changes from review
* Add final blog URL
* Add SMI blog URL
Co-authored-by: Frank Budinsky <frankb@ca.ibm.com>
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