* Allow links only for social badges, affects [GitHubMilestone Dependabot]
* Remove getLink function
* Remove unused import
* Mention social links in guidelines as well
* Use black font when background color is too light
* Tweak dark color
* Extract magic brightness numbers to constants
* Fix snapshot tests
* Switch threshold to 0.69
Just noticed this typo and that one of the essential parts of the specification
could be worded more clearly. It seems like the hardest to enforce with SaaS
companies, so I don't think the explicitness will hurt.