RFR: cover the documentation linking options in release notes

[Roger Calnan]

On Thu, 18 Dec 2025 16:24:07 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

>> added an explanation on the support of JavaDoc like links and the automatic linking of JBS IDs
>
> src/guide/release-notes.md line 74:
> 
>> 72: As well as the standard [CommonMark link types](https://spec.commonmark.org/0.31.2/#links) the following custom links are supported:
>> 73: 
>> 74: **Linking of JBS issues**
> 
> Please use actual headers (###) instead of **bold text** for these three sub-sections.

yes, I looked at that and was going to use ### but then decided it didn't make sense for them to appear in the index, I can make them ### if you feel it would be better

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PR Review Comment: https://git.openjdk.org/guide/pull/167#discussion_r2632092636