How do I add a view in rails?

[like this](https://gist.github.com/tararoys/b62f1e0a29c1ffee7a93/63c0d9487458f25413a741ac93c123171c9078bc)

Analogy: adding a view in rails is like building a town at the end of a railroad line. It gives the railroad route a destination that people can get off and look at.
How do I add an actual form in rails?

[like this](https://gist.github.com/tararoys/b62f1e0a29c1ffee7a93/1d23b5f1d4d73409c850311e7b281a07f815076b)

This view is like a fancier town built at the end of the rail line. It has an actual form, which is sort of like a town adding a bar. It gives the place a little action.