Sven Co-Op: Add maxplayers (#293)

* Sven Co-Op: Add maxplayers, borrow credit

* Update sven-co-opconfig.json

* Update sven-co-opmetaconfig.json

* Update sven-co-opconfig.json

---------

Co-authored-by: Greelan <53196309+Greelan@users.noreply.github.com>

sven-co-opconfig.json

@@ -12,6 +12,22 @@
         "DefaultValue": "AMP Powered Sven Server",
         "EnumValues": {}
     },
+    {
+        "DisplayName": "Max Players",
+        "Category": "Server Settings",
+        "Description": "maxplayers",
+        "Keywords": "maxplayers,limit",
+        "FieldName": "$MaxUsers",
+        "InputType": "number",
+        "MinValue": "2",
+	"MaxValue": "32",
+        "IsFlagArgument": false,
+        "ParamFieldName": "maxplayers",
+        "IncludeInCommandLine": true,
+        "DefaultValue": "12",
+        "Suffix": "players",
+        "EnumValues": {}
+    },
     {
         "DisplayName": "Map",
         "Category": "Server Settings",
@@ -1882,4 +1898,4 @@
         "DefaultValue": "20",
         "EnumValues": {}
     }
-]
+]