Provi's Health Bars

Minor patch that adds more versatility to in-world health bars.

Additions

• Added ability for health bar to match team colour. (ZsoltMolnarrr/Provismet)
• Added ability for the background of a health bar to match the foreground colour. (ZsoltMolnarrr)
• Added built-in resource pack for square-styled health bars.
• Added built-in resource pack for round-styled health bars.

Changes

• Slightly changed the health bar textures to improve visual clarity.