added changelog generator and updated configs

config/zombiehorsespawn.json5

@@ -0,0 +1,9 @@
+{
+	// The chance a zombie that has spawned on the surface is riding a horse.
+	// min: 0.0, max: 1.0
+	"chanceSurfaceZombieHasHorse": 0.05,
+	// If enabled, burns zombie horses when daylight shines upon them.
+	"shouldBurnZombieHorsesInDaylight": true,
+	// If enabled, a zombie horse with rider will only spawn on the surface.
+	"onlySpawnZombieHorsesOnSurface": true
+}