feat: Add Image options to Slide Layouts. (#1221)

* Add full bleed layout.

* Add good prototype of vertical image with title and list.

* Add three up prototype.

* Used styled-components to build generic image utility.

* Abstract List and consume generic Image component widely.

* Add Horizontal layout and solidify ThreeUp api. Code clean up.

* Prettier

* Add documentation for image layouts.

* Add tests for image layouts.

* Add tests for image layouts.

* Link to alt text documentation.

* Improve img container: full bleed, horizontal, threeup

* Improve image container styling for vertical image layout.

* Add changeset.

* Clean up tests, grammar and code.

* Improve tests.

* Remove alt link from docs.

* Fix table formatting.

* Format tables.

* Fix fullbleed bug and add objectFit prop.

* Add docs for objectFit.

* Use specific typing for css property.

* Try to fix table formatting.

Author: ZimChristine

.changeset/witty-gifts-cry.md

@@ -0,0 +1,5 @@
+---
+'spectacle': minor
+---
+
+feat: Add Image Slide Layouts: Vertical, Horizontal, ThreeUp, Fullbleed.