Form-fillable character sheets and updates

Both versions of the game now have form-fillable character sheets! Hooray!
If folks find it useful, I can also attach a standalone fillable character sheet as well as the Google Sheet I've been using in online playtests.

Just uploaded new versions of the book with some changes:

• Fixed some Table of Contents links that pointed to the wrong anchors
• Revised some wording in the Spellbooks that referred to just Rolls instead of both Rolls and Saves
• Fixed the spacing of the dice graphics on the Quickstart page
• Added additional hyperlinks for some terms that were missing them
• Fixed some conditions that weren't properly bolded