Add French ambassador for digital affairs

[MattiSG]

Thanks for the contribution! Below is a template that can make it easier when submitting your Organization:

Your Organization: French Ambassador for Digital Affairs
GitHub Organization url: @ambanum
Country/Locality: France

Inclusion requirements:

• Referenced account is an Organization not a User
• If this is a government project, your Organization's description should include a reference to your country/agency.
• Make sure your Organization includes at least one public repository
• Please also include a URL for your organization that links back to your organization or agency homepage.

[MattiSG]

Hello, is there anything we can do to get these PRs merged? The repository is not entirely dead since PRs were merged back in June, but there are quite a few organisations waiting to be listed here 😉

cc some people who apparently have approval power: @froi @jbjonesjr.

[MattiSG]

Thanks @froi for the upstream update! :)

Apparently the build fails due to outdated Jekyll config & tags:

bundle exec jekyll build
Configuration file: /home/travis/build/github/government.github.com/_config.yml
       Deprecation: The 'plugins' configuration option has been renamed to 'plugins_dir'. Please update your config file accordingly.
            Source: /home/travis/build/github/government.github.com
       Destination: /home/travis/build/github/government.github.com/_site
 Incremental build: disabled. Enable with --incremental
      Generating... 
  Liquid Exception: Liquid syntax error (line 11): Unknown tag 'seo' in /_layouts/support-page.html
jekyll 3.3.0 | Error:  Liquid syntax error (line 11): Unknown tag 'seo'

Are you interested in a PR to fix this, or does your team intend to work on it?

[MattiSG]

Thanks @mlinksva! :)