Modify AWS BYOVPC documentation to use terraform module examples (#506)

* Modify AWS BYOVPC documentation to use terraform module examples

Instead of cloud-examples with API calls.

* Fix style issues in AWS BYOVPC documentation

Apply docs-team-standards review fixes: sentence-case heading, add
intro text before code blocks, proper WARNING admonition for delete
section, correct terminology, fix trailing whitespace, use present
tense.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Address coderabbit comments

* remove beta badge + style edits

* Apply consistent style edits to Azure BYOVNet documentation

Match the same conventions applied to the AWS BYOVPC page: convert
markdown fenced code blocks to AsciiDoc syntax, fix headings with
missing articles, convert inline NOTE to block admonition, remove
contraction, rewrite See also pattern, and update description meta.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Remove extra Next steps links from AWS BYOVPC page

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Use consistent wording between AWS and Azure BYOVPC pages

Change "give them to Redpanda" to "provide them to Redpanda" in
vnet-azure.adoc to match vpc-byo-aws.adoc.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Update AWS BYOVPC Next steps to match Azure pattern

Replace backward-looking architecture link with forward-looking
links to PrivateLink, IAM policies, and rpk commands, consistent
with the Azure BYOVNet page.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Add personas and learning objectives to BYOVPC/BYOVNet pages

Add page-topic-type, personas, and learning objectives metadata
to both the AWS BYOVPC and Azure BYOVNet documentation pages.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* Add BYOVPC on AWS GA entry to What's New for March 2026

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

# Conflicts:
#	modules/get-started/pages/whats-new-cloud.adoc

* clarifying edit

* minor edit

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Co-authored-by: micheleRP <michele@redpanda.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: 3 people