Update lighthttpd to add logs

[nicolas-brousse]

Description

This is an attempt to configure lighthttpd to make it log errors and access in stderr and stdout on docker container.

Fixes #616

Relevant information: https://redmine.lighttpd.net/issues/2731

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] I've read & comply with the contributing guidelines
• [ ] I have tested my code for new features & regressions on both mobile & desktop devices, using the latest version of major browsers.
• [ ] I have made corresponding changes to the documentation (README.md).
• [x] I've checked my modifications for any breaking changes, especially in the config.yml file

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[gstrauss]

https://serverfault.com/questions/1114316/how-do-i-get-lighttpd-access-log-to-stdout