[7.5] Update timelion.asciidocs

[mMarzeta]

Summary

Update docs to have a valid example of Timelion Network traffic visualization.

Checklist

Use strikethroughs to remove checklist items you don't feel are applicable to this PR.

- [ ] This was checked for cross-browser compatibility, including a check against IE11

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support

- [ ] Documentation was added for features that require explanation or tutorials
- [ ] Unit or functional tests were updated or added to match the most common scenarios
- [ ] This was checked for keyboard-only and screenreader accessibility

For maintainers

• This was checked for breaking API changes and was labeled appropriately
• This includes a feature addition or change that requires a release note and was labeled appropriately

[skip ci]

[kibanamachine]

Since this is a community submitted pull request, a Jenkins build has not been kicked off automatically. Can an Elastic organization member please verify the contents of this patch and then kick off a build manually?

[elasticmachine]

Pinging @elastic/kibana-docs (Team:Docs)

[nik9000]

LGTM. At first I thought this wasn't for me to review but I think I was the one who broke it. So, yeah. +1

[gchaps]

@mMarzeta Thank you for your contribution. Please sign our Contributor Agreement so that we can merge this change.

[gchaps]

@elasticmachine merge upstream

[gchaps]

run elasticsearch-ci/docs

[spalger]

@elasticmachine merge upstream

[spalger]

run elasticsearch-ci/docs

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 530370f

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream