🎉 feat: svg mini data uri (#1941)

[kellymears]

• adds support for svg-mini-data-uri
• adds unit test
• update docs

example use:

body {
  background: url(@src/svg/demo.svg?inline);
}

refers:

• Inline SVGs as data URIs instead encoding it with base64 #1941

Type of change

PATCH: backwards compatible change

This PR includes breaking changes to the following core packages:

• none

This PR includes breaking changes to the follow extensions:

• none

Dependencies

Adds

• mini-svg-data-uri

Removes

• none