Add trailing slash to path from which app is served by webpack
Add trailing slash to path from which app is served by webpack

That is, change ‘/weather’ → ‘/weather/’. This is both for the sake
of more closely matching the production environment (GitHub pages adds a
trailing slash) and also to give neater URLs when using React Router’s
hash history: ‘/weather#/london’ → ‘/weather/#/london’

LeoBakerHytch/weather,LeoBakerHytch/weather