doc: Improve generic helm chart installation docs

[vlasebian]

Summary

Improve generic helm chart installation docs for 0.0.13 helm chart release.

Screenshots

Changes

• Update Traefik ingress controller configuration example
• Update Nginx-Ingress controller configuration example
• Update generic ingress controller guide and map to TTS protocols
• Reword prerequisites to clarify constraints
• Fix random inconsistencies

Notes for Reviewers

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Checklist

• Scope: The referenced issue is addressed, there are no unrelated changes.
• Run Locally: Verified that the docs build using make server, posted screenshots, verified external links. Test with HUGO_PARAMS_SEARCH_ENABLED=true if style changes will affect the search bar.
• New Features Marked: Documentation for new features is marked using the new-in-version shortcode, according to the guidelines in CONTRIBUTING.
• Style Guidelines: Documentation obeys style guidelines in CONTRIBUTING.
• Commits: Commit messages follow guidelines in CONTRIBUTING, there are no fixup commits left.

[Copilot]

Pull Request Overview

This PR improves documentation for the generic Helm chart installation, specifically targeting the 0.0.13 helm chart release. The updates enhance clarity around ingress controller configuration and prerequisites.

• Updates Traefik and Nginx-Ingress controller configuration examples with more comprehensive setup instructions
• Clarifies prerequisites and infrastructure requirements including database versions and port protocols
• Adds helm test verification step and fixes various documentation inconsistencies

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
sample-ingress-controllers.md	Major rewrite with expanded Traefik configuration examples and updated Ingress-Nginx controller documentation
_index.md (prerequisites)	Enhanced prerequisites section with clearer database version requirements and improved ingress controller guidance
_index.md (install-charts)	Added helm test verification step and renumbered existing steps
_index.md (database-migrations)	Added AS storage migration configuration and removed outdated note
_index.md (configuration)	Fixed typo in kubectl apply command and added TTGC network registration note
_index.md (generic)	Added warning formatting and minor text improvements
_index.md (azure/architecture)	Clarified Redis database choice rationale with additional context

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[KrishnaIyer]

Great!

[vlasebian]

I'll keep this open until I release the 0.0.13 version of the Helm chart, then I will merge it.