Document purpose of modules

[szepeviktor]

Please consider adding a one-sentence explanation for each module, what it actually does.
For example in browser-core/modules/*/sources/index.es files.
Thank you.

[chrmod]

Fully agreed. Extension repository acts a little bit as a mono repo for all Cliqz modules, but with this number of modules it is pretty hard to remember what all of them does, even to Cliqz employees. I will see to bring up those basic descriptions soon.

Please note that this repository is updated only on Cliqz releases, that it once every 4-6 weeks. Only then you will see the docs.