New Lindworm image and font, updated to v0.10

Stunning new illustration from Brandon Yu (Chaoclypse)! Check out his speed painting video for this piece:

v0.10

• Added new lindworm image by Brandon Yu (Chaoclypse) as full page and rear cover illustration.
• Changed default font from Alegreya to Adobe Jenson Pro.
• Minor text changes to monsters for better layout fit.
• Table of contents update with smaller font.
• Moved additional content and thanks to title page.
• Moved Patrons section under ToC.