docs(groups): updates the groups page to reflect group types

[PaulRMellor]

Updates the docs fro the switch from consumer groups to groups.
Also describes group types visible from the Groups page

[Copilot]

Pull request overview

Updates the documentation to reflect the console UI/terminology change from Consumer groups to Groups, and introduces documentation for multiple Kafka group types shown on the Groups page.

Changes:

• Updates Topics and navigation docs to use Groups terminology and describe group-related information.
• Replaces the removed Consumer Groups page concept module with a new Groups page concept module describing group types.
• Adjusts deploying docs wording around cluster visibility and integration bullets.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
docs/sources/modules/con-topics-page.adoc	Renames the topic tab description from Consumer groups to Groups and updates related wording.
docs/sources/modules/con-navigating-the-console.adoc	Updates navigation entry from Consumer groups to Groups and clarifies metrics availability.
docs/sources/modules/con-groups-page.adoc	Adds a new concept page describing the Groups page and group types (consumer/classic/streams/share).
docs/sources/modules/con-consumer-groups-page.adoc	Removes the old Consumer Groups page concept module.
docs/sources/index.adoc	Switches the included concept module from consumer groups to groups.
docs/sources/assemblies/assembly-deploying.adoc	Updates wording to align with “groups” terminology and refines integration bullet phrasing.

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[tomncooper]

I left a few comments that are less about the docs and more about the information we will show for Streams Groups. That might be more relevant to @MikeEdgar and the back-end implementation.

[PaulRMellor]

Thanks for the comments @tomncooper and @MikeEdgar
All addressed

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud