Move chat system into core, merge configs, save to database

assets/robocraft/config.json

@@ -14447,6 +14447,22 @@
             "main",
             "sys",
             "jam_club"
+        ],
+        "commands": [
+            {
+                "regex": "\\?online",
+                "op": {
+                    "type": "BuiltIn",
+                    "built_in": "OnlineUsers"
+                }
+            },
+            {
+                "regex": "\\?users",
+                "op": {
+                    "type": "BuiltIn",
+                    "built_in": "TotalUsers"
+                }
+            }
         ]
     },
     "factory": {
@@ -14515,4 +14531,4 @@
             }
         ]
     }
-}
+}