[User Story] File size/format/dimension validation

[alexkisielewicz]

User story:

As Site Admin, I can check image dimensions, format, and file size before user upload new image so that I have full control on what files are uploaded to the cloud

Acceptance criteria:

• Validation checks filesize
• Validation checks file extension
• Validation checks image width and height

[alexkisielewicz]

This feature won't be developed before project submission, it will be left as a potential future enhancement.