[code-reflection] Integrated: Some documentation updates

[Gary Frost]

On Thu, 24 Jul 2025 14:12:26 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Updated docs to reflect reality.
> 
> Mostly additions describing project ideas. 
> 
> Added a section in the building/running with HAT, so how how we use `HAT` env variable to inject tracing, logging information at runtime.

This pull request has now been integrated.

Changeset: ab4ef0a7
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/ab4ef0a70ea658a96fa405a728d2ba2cdcf6e95c
Stats:     465 lines in 4 files changed: 458 ins; 3 del; 4 mod

Some documentation updates

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PR: https://git.openjdk.org/babylon/pull/497