Created base class for Firefly particle.

src/main/java/dev/micle/firefly_bush_backport/particle/FireflyParticle.java

@@ -0,0 +1,16 @@
+package dev.micle.firefly_bush_backport.particle;
+
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraft.client.particle.ParticleRenderType;
+import net.minecraft.client.particle.TextureSheetParticle;
+
+public class FireflyParticle extends TextureSheetParticle {
+    protected FireflyParticle(ClientLevel clientLevel, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
+        super(clientLevel, x, y, z, xSpeed, ySpeed, zSpeed);
+    }
+
+    @Override
+    public ParticleRenderType getRenderType() {
+        return null;
+    }
+}