[amber-docs] RFR: Capitalize article titles according to Chicago style

[Nicolai Parlog]

Capitalize article titles according to Chicago style

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Commit messages:
 - Capitalize article titles according to Chicago style

Changes: https://git.openjdk.org/amber-docs/pull/28/files
  Webrev: https://webrevs.openjdk.org/?repo=amber-docs&pr=28&range=00
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/amber-docs/pull/28.diff
  Fetch: git fetch https://git.openjdk.org/amber-docs.git pull/28/head:pull/28

PR: https://git.openjdk.org/amber-docs/pull/28