v0.13.1-pre.0

• Merge pull request #729 from bustle/zeejab/ignore-built 1b9f57c
• Add compiled website assets to gitignore 🎅 19181ad
• Merge pull request #728 from bustle/th/del-tag-valid-strikethrough-markup 29f3c03
• 🦜Merge pull request #726 from bustle/zeejab/link-editz d9f6e95
• Fix positionElementCenteredBelow to center tooltip correctly 🧛‍♂️ 8c914a5
• Add del tag as valid markup 610eb75
• Remove extra styles 🧊 2ab79f3
• built website from 0b4496b 43a2f34
• built website from e918847 0b4496b
• Cleanup + test + documentation 👣👣 e918847
• Fix/build docs 🍔 41a7f92
• Adds link editing 🦜 093305a

v0.13.0...v0.13.1-pre.0