feat: pid_limit egg feature to MC eggs

Other eggs might benefit from this as well, but for now will stick with MC that are known to spawn a lot of processes when modded.

game_eggs/minecraft/java/nanolimbo/egg-nano-limbo.json

@@ -8,7 +8,11 @@
     "name": "NanoLimbo",
     "author": "mail@wuffy.eu",
     "description": "This is lightweight minecraft limbo server, written on Java with Netty. The main goal of the project is maximum simplicity with a minimum number of sent and processed packets. This limbo is empty, there are no ability to set schematic building since this is not necessary. You can send useful information in chat or BossBar.\r\n\r\nNo plugins, no logs. The server is fully clear. It only able keep a lot of players while the main server is down.",
-    "features": null,
+    "features": [
+        "eula",
+        "java_version",
+        "pid_limit"
+    ],
     "images": [
         "ghcr.io\/pterodactyl\/yolks:java_8"
     ],
@@ -56,4 +60,4 @@
             "rules": "required|string|max:20"
         }
     ]
-}
+}