v2.1.7

• 💊 Improve schema.org syntax for recipes
• 💊 Improve CSS syntax highlighting
• 💊 Improve HTML / XML syntax highlighting
• 💊 Fixed JSON syntax highlighting
• 🎁 Add ICS journal output of articles
• 🎁 Add support for <amp-twitter>
• 🎁 Improve manifest.json builder
• 🎁 Change <amp-img> for SVGs to be intrinsic
• 🎁 Add image description for shareable image
• 🎁 Add download links to Markdown syntax