Bump v0.3.0

* Add Sentinel State
* Add Sentinel Components
* Add API /state endpoint
* Add & update translations
* Refine headings and page descriptions
* Restructure js files and folders
* Rename Data Collection tab to License Agreement
* Make reforis regular dependency instead of extras
* Remove foris-client & paho-mqtt from extras
* Drop versions of python dependencies
* Update Foris JS library to v5.1.13
* NPM audit fix
* Other small improvements