docs(tutorial): french translation (_datas, index, pt1, pt2)

[cbalit]

Thank you for submitting this PR...

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit-message-format
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Please provide the issue number?

issue #36

Did you finish translating the whole issue?

• no (pr_state: WIP)
• yes (pr_state: PLEASE_REVIEW)

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• Translation
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Other information:

docs(tutorial): french translation (_datas, index, pt1, pt2) fix after PR

[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for the commit author(s). If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.

[manekinekko]

@cbalit le bot est encore pas content.

[manekinekko]

waiting for CLA before merging.

[manekinekko]

merged.