[babylon-docs:master] Integrated: Add link to J1 preso

[Paul Sandoz]

Add link to Gary's J1 preso.

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Commit messages:
 - Add J1 preso

Changes: https://git.openjdk.org/babylon-docs/pull/9/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon-docs&pr=9&range=00
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/babylon-docs/pull/9.diff
  Fetch: git fetch https://git.openjdk.org/babylon-docs.git pull/9/head:pull/9

PR: https://git.openjdk.org/babylon-docs/pull/9