RFR: 8293615: Create release notes for JavaFX 19

[Johan Vos]

Create the release notes for JavaFX 19

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Commit messages:
 - Create the release notes for JavaFX 19

Changes: https://git.openjdk.org/jfx/pull/896/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=896&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293615
  Stats: 91 lines in 1 file changed: 91 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/896.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/896/head:pull/896

PR: https://git.openjdk.org/jfx/pull/896