v0.1.5

Add `.prose` and `.switcher` to documentation and a few other improvements and bug fixes to framework and docs site.

Bug fixes #

• markdownify excerpt in changelog list.
• Use viewport width over percentage in grid three column layout composition.

Improvements #

• Use .wrapper utility to center align content on index page of docs site, instead of inline styles.
• Switch to logical properties to reduce size of .wrapper CSS and improve for different writing modes.
• Add contextual examples to Wrapper documentation.
• Improve positioning of chevron on fancy accordion.
• Add Prose to Blocks documentation.
• Reduce font size of blockquote and update max-width of blockquote in prose.
• Update Utilities intro text to include “They can be used with any element in any context”.
• Add Switcher to Compositions documentation.