[push-api] Add the source of the sequence diagram in vdx format. (#134)

You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/push-api/pull/134

-- Commit Summary --

  * Add the source of the sequence diagram in vdx format.

-- File Changes --

    A sequence_diagram.vdx (9)

-- Patch Links --

https://github.com/w3c/push-api/pull/134.patch
https://github.com/w3c/push-api/pull/134.diff

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/push-api/pull/134