Badges update automatically and link to the resource pack page on MineUniverse.
Default textures of the attack indicators used in my attack indicators mod. Download the pack, change the textures, put in your game.
Files can be found at:
assets>attackindicator>gui
In each file: the top sword is the cooldown, the middle sword is the background, the bottom sword is the in-range indicator
attackMeter.png is just the default attack indicator texture for entities and non-faction mobs