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/magma/egg-magma.json

@@ -10,7 +10,8 @@
     "description": "Magma is most powerful Forge server providing you with Forge mods and Bukkit Plugins using Spigot and Paper for Performance Optimization and Stability.",
     "features": [
         "eula",
-        "java_version"
+        "java_version",
+        "pid_limit"
     ],
     "images": [
         "ghcr.io\/pterodactyl\/yolks:java_8",
@@ -61,4 +62,4 @@
             "rules": "required|string|in:dev,stable"
         }
     ]
-}
+}