Tiny inconsistency in Tutorial 2

[seanshahkarami]

Hello everyone! Thank you so much for the great work and tutorials!

I just wanted to point out a very small inconsistency in Tutorial 2: Requests and Responses.

That tutorial uses the following example route:

    # no trailing slash
    path('snippets/<int:pk>', views.snippet_detail),

whereas all the other examples, before and after, use the trailing slash:

    # has trailing slash
    path('snippets/<int:pk>/', views.snippet_detail),

[2ykwang]

thank you I submitted a PR #8604