CofD improvements

Under-the-hood improvements, plus tweaks, fixes, and additions to CofD mode.

The QoL Release

This release brings a ton of new features and enhancements, including:

• Use emoji for dice instead of plaintext
• Per-server settings
• Enhanced custom prefixes
• Non-botching rolls
• Syntax enhancements
• Greatly improve traditional dice rolls
• Metamacros
• Celerity actions in initiative
• Support auto-failures
• Calculate and show roll probabilities
• Add Patreon link
• Major code refactoring, enhanced error-checking, bug fixes, and under-the-hood improvements

Initiative Actions

Adds initiative action declarations.