SneakSprint Toggle

• Fixed sources and issues returning a 404 (github username change)
• Update author name to reflect username change
• Update internal namespaces to reflect username change

• Swap the display of Sneak toggle and Sprint toggle in debug F3 screen

• Added support for newer 1.21 versions
• Backported to 1.20

• Fixed sneak and sprint not being synced from minecraft settings at startup
• Fixed sneak and sprint settings not being synced from manual settings changes in controls

• Replaced original HUD text with an F3 menu entry to show current sneak and sprint status for compatibility
• Fixed a crash when using 1.21.6+

Initial Release.