Co-authored-by: William Entriken <github.com@phor.net>

Upate README and CONTRIBUTING files

* README.md: Fix links, update tagline, small fixes

* CONTRIBUTING.md: Update links, make it read better

* index.html: update links, make it read better

Don't know how this factors into issue#459

* CONTRIBUTING.md: remove errant bracket

Fixes: https://github.com/lesspass/lesspass/issues/430

In order to be able to continue the development I need to clean the workspace.
lesspass-move, lesspass-snap and lesspass-cozy are removed.
lesspass-mobile will replace lesspass-cordova with a new react native implementation.
lesspass-core is now splited into specific repo (entropy, fingerprint and render-password)
The workspace use lerna now to manage the mono repo more efficiently.
lesspass-profiles is a new container available only in a pro version.

* frontend: fix cozy link

* frontend: fix cli link