Actually added the correct docker compose games this time

docker-compose.games.yml

@@ -40,6 +40,21 @@ services:
     volumes:
       - /srv/kasmc/data:/data
 
+  stoneblock3:
+    image: itzg/minecraft-server
+    container_name: stoneblock3
+    mem_limit: 8GB
+    environment:
+      EULA: "TRUE"
+      TYPE: "FTBA"
+      FTB_MODPACK_ID: "100"
+      MOTD: "Stoneblock 3 server"
+      OPS: "JustSammyyy"
+    ports:
+      - 25567:25567
+    volumes:
+      - /srv/sb3/data:/data
+
   rust:
     image: didstopia/rust-server:latest
     environment: