Data URL & Embedded Resources support (including base64)

Following urls will work fine when Url ImageSource is used:

Data Uri support

• data:image/png;base64,[BASE64ENCODEDFILE]
• data:image/svg+xml;base64,[BASE64ENCODEDSVGFILE]
• <SVG>NOT_ENCODED_SVGFILECONTENT</SVG>
• data:image/svg+xml,<SVG>[NOT_ENCODED_SVGFILECONTENT</SVG>

Embedded Resources Uri support

• resource://{resourceName}
• resource://{resourceName}?assembly={Uri.EscapeUriString(resourceAssembly.FullName)}";