v23.01

• #115: add ability to type answers in singleplayer
• Add /api/check-answer endpoint
• Fix answer checking when answer contains "dr" as a substring but not as a token
• Add python api wrapper module info to /about and /api-info pages
• Automatically disable submit button during submission and close report question modal after submission
• Remove sticky navbar from all pages that originally had it
• Prevent spacebar from scrolling page
• Correctly account for bonuses of arbitrary length (especially > 3)
• Include '0' difficulty in query
• Add support for alternate_subcategory
• Update backup link
• Parse arabic and roman numerals in answerline

Full Changelog: 22.12...23.01