[Templating] Add documentation about generating versioned URLs
feature #3742 [2.5][Templating] Add documentation about generating versioned URLs (romainneutron)

This PR was merged into the master branch.

Discussion
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[2.5][Templating] Add documentation about generating versioned URLs

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | https://github.com/symfony/symfony/pull/10593
| Applies to    | 2.5+

Commits
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f6af251 [Templating] Add documentation about generating versioned URLs