Rename none_demo to demo

demo/__init__.py

@@ -0,0 +1,13 @@
+from os import path
+
+import none
+from demo import config
+
+none.init(config)
+app = none.get_bot().asgi
+
+if __name__ == '__main__':
+    none.load_builtin_plugins()
+    none.load_plugins(path.join(path.dirname(__file__), 'plugins'),
+                      'demo.plugins')
+    none.run(host=config.HOST, port=config.PORT)