[babylon-docs:master] RFR: [docs] Documentation of how to preview changes [v2]

[Juan Fumero]

> Documentation of how to preview changes in the web browser using OpenJDK Web Page Generator.

Juan Fumero has updated the pull request incrementally with one additional commit since the last revision:

  [docs] update preview process

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Changes:
  - all: https://git.openjdk.org/babylon-docs/pull/16/files
  - new: https://git.openjdk.org/babylon-docs/pull/16/files/638144eb..2a35df8f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon-docs&pr=16&range=01
 - incr: https://webrevs.openjdk.org/?repo=babylon-docs&pr=16&range=00-01

  Stats: 8 lines in 1 file changed: 8 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/babylon-docs/pull/16.diff
  Fetch: git fetch https://git.openjdk.org/babylon-docs.git pull/16/head:pull/16

PR: https://git.openjdk.org/babylon-docs/pull/16