[18.0][ADD] website_select2

[hbrunn]

This module applies select2 to select elements on the website or portal, allowing users to incrementally search within the available options:

To use this module, you need to:

1. Go to /my/account
2. Observe that ie. the country dropdown is searchable

Advanced usage:

• To disable select2 on some specific select element, set class select2-disable
• To force select2 on a select elements with few options, set class select2-force
• To pass custom options to select2 for some specific select element, set attribute data-select2-options="{...}"

[github-actions]

There hasn't been any activity on this pull request in the past 4 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
If you want this PR to never become stale, please ask a PSC member to apply the "no stale" label.

[pedrobaeza]

It's a pity to let this fall. Being a new module, let's merge it with the CI green and my approval.

/ocabot merge nobump

[OCA-git-bot]

Hey, thanks for contributing! Proceeding to merge this for you.
Prepared branch 18.0-ocabot-merge-pr-1150-by-pedrobaeza-bump-nobump, awaiting test results.

[OCA-git-bot]

Congratulations, your PR was merged at 1af586f. Thanks a lot for contributing to OCA. ❤️