Cleaned up TotemOfReviving by moving most setup code to the new SideProxy.

src/main/java/dev/micle/totemofreviving/ISideProxy.java

@@ -0,0 +1,13 @@
+package dev.micle.totemofreviving;
+
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.MinecraftServer;
+
+public interface ISideProxy {
+	MinecraftServer getServer();
+	
+	PlayerEntity getClientPlayer();
+	
+	ClientWorld getClientWorld();
+}