add python.md, mwscroll_step

Added PYTHON.md

add mwscroll_step

__main__.py

@@ -2,11 +2,15 @@ import voicemeeter
 import vmcompact
 
 
+def main():
+    with voicemeeter.remote(kind_id) as vmr:
+        app = vmcompact.connect(kind_id, vmr)
+        app.mainloop()
+
+
 if __name__ == "__main__":
     kind_id = "banana"
 
     voicemeeter.launch(kind_id, hide=False)
 
-    with voicemeeter.remote(kind_id) as vmr:
-        app = vmcompact.connect(kind_id, vmr)
-        app.mainloop()
+    main()