Storage should be accessible also from the main process

[fttx]

The current state of the system requires the main process to communicate with the renderer in order to perform actions to the localStorage. This increases the system complexity because implementing a feature that has nothing to do with the UI still requires to edit parts of the code contained in the ionic folder.

[fttx]

[fttx]

• use electron-store module (see ionic/electronProvider) ✅
• license.ts: convert all methods that looks like canUseX to limitFeatureX