Implements the absolute basics of the character creation flow, AKA
most things are missing. Integrates a method of storing character
data, support for that in the database, and a working character
creation page.
The only thing the page does at the moment is create a hardcoded basic
CofD character sheet and save it to the database. There is no ability
to change game system, fill in extra details, etc. There's also no
ability to edit anything.
Also added basic links to the registration and create new character
pages.
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