RFR: cover the documentation linking options in release notes [v4]

[Roger Calnan]

> added an explanation on the support of JavaDoc like links and the automatic linking of JBS IDs

Roger Calnan has updated the pull request incrementally with one additional commit since the last revision:

  additional notes

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Changes:
  - all: https://git.openjdk.org/guide/pull/167/files
  - new: https://git.openjdk.org/guide/pull/167/files/c8597bd8..f2737a69

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=167&range=03
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=167&range=02-03

  Stats: 5 lines in 1 file changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/guide/pull/167.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/167/head:pull/167

PR: https://git.openjdk.org/guide/pull/167