[code-reflection] Integrated: Update readme

[Paul Sandoz]

On Wed, 17 Jan 2024 19:49:39 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> Include some details specific to Babylon source.

This pull request has now been integrated.

Changeset: e7cfc9ee
Author:    Paul Sandoz <psandoz at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/e7cfc9ee3b35857ae060389912578c3e21f80086
Stats:     36 lines in 1 file changed: 36 ins; 0 del; 0 mod

Update readme

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PR: https://git.openjdk.org/babylon/pull/4