v3.2.0

Added ability to type answers in singleplayer (#115), along with a new associated api endpoint, and some other small changes.

• 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

Full Changelog: v3.1.4...v3.2.0