Add comment about reloading the app
Add comment about reloading the app

When the app is started with debug=True, two tabs are opened. This can
be fixed by setting debug=False. Added a comment to remember this.

Closes #7.

MBARIMike/recipy,recipy/recipy,github4ry/recipy,recipy/recipy-gui,github4ry/recipy,bsipocz/recipy,recipy/recipy,bsipocz/recipy,recipy/recipy-gui,musically-ut/recipy,MichielCottaar/recipy,MBARIMike/recipy,MichielCottaar/recipy,musically-ut/recipy