Add Port-Forwarding to the Academy K8s Deployment Walkthrough

[network-charles]

What's being changed:

Closes: #2576

Type of change:

• [ x ] Documentation updates (non-breaking change to fix/update documentation)
• [ x ] Website updates (non-breaking change to update main page, company pages, pricing, etc)

How Has This Been Tested?

• [ x ] Local build - the site works as expected when running yarn start

note, you can run yarn verify-links to test site links locally

I agree to the CLA.

[weaviate-git-bot]

To avoid any confusion in the future about your contribution to Weaviate, we work with a Contributor License Agreement. If you agree, you can simply add a comment to this PR that you agree with the CLA so that we can merge.

beep boop - the Weaviate bot 👋🤖

PS:
Are you already a member of the Weaviate Slack channel?

[databyjp]

Will be addressed in #2709

[network-charles]

Ok