2.2.3

• add missing full stop (@ThrawnCA)
• Typo - Staving to Caving (@der-perko)
• Typo - Got to Go (@der-perko)
• Undo Staving -> Caving (@der-perko)
• add github action to publish ebook (@IntermittentlyRupert)
• Typo: bolt of lighting -> lightning (@ThrawnCA)
• fix capitalisation around dialogue (@ThrawnCA)
• restore missing italics (@ThrawnCA)
• add extra calibre dependencies to publish action (@IntermittentlyRupert)
• adjust punctuation in chapter 2 based on Royal Road version, IntermittentlyRupert#31 (@ThrawnCA)
• fix: add calibre dependency (@ian Moriarty)