Made get_configurable_plugins work nicely with config.jsons that include multiple plugin entries as a list

CTFd/utils/plugins/__init__.py

@@ -54,6 +54,14 @@ def get_configurable_plugins():
             path = os.path.join(plugins_path, dir, "config.json")
             with open(path) as f:
                 plugin_json_data = json.loads(f.read())
+                if type(plugin_json_data) is list:
+                    for plugin_json in plugin_json_data:
+                        p = Plugin(
+                            name=plugin_json.get("name"),
+                            route=plugin_json.get("route"),
+                        )
+                        plugins.append(p)
+                else:
                     p = Plugin(
                         name=plugin_json_data.get("name"),
                         route=plugin_json_data.get("route"),