[code-reflection] Integrated: Added TLDR build+run instructions to README and simplified hat.java

[Gary Frost]

On Fri, 31 Oct 2025 10:22:23 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Added a TLDR stanza to the README.md 
> 
> Also simplified the `hat.java` bld/run script.

This pull request has now been integrated.

Changeset: 3db08a3e
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/3db08a3e9cfe71dba1409580c4c04c8744f98af8
Stats:     118 lines in 4 files changed: 49 ins; 3 del; 66 mod

Added TLDR  build+run instructions to README and simplified hat.java

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PR: https://git.openjdk.org/babylon/pull/653