Create a new page for legal notice and privacy policy

Description

Add new component for legal notice and privacy policy. The text must be included.

Files to update

• Create a new folder src/app/ecombox/policy
• Create a new Policy component into the previous directory
• Import the new component to src/app/ecombox/ecombox.module.ts
• Create a new route into src/app/ecombox/ecombox-routing.module.ts to access to a Privacy Policy page