Use QR code to share projects

[fferreira12]

[fferreira12]

Links:

• Generate QR Code: qrcodejs
• Read QR Code: jsQR

[fferreira12]

Add and option to mark projects public or private.
When not logged in, anyone can see (but not edit) public project data by accessing the link.
By default they should be private, but clicking at the "Make Public" or "Share" button will make the project public and give a shareable link.