v2.1.6

• 💊 Improve general syntax highlighting
• 💊 Improve HTML stripping from meta text
• 🎁 Add syntax highlighting for METAR codes
• 🎁 Improve syntax highlighting for shell variables
• 🎁 Add syntax highlighting for batch
• 🎁 Improve image compression
• 🎁 Don't send webmention for developer.mozilla.org