Enable Swagger-UI search bar for filtering endpoints

[drewg2009]

Is your feature request related to a problem? Please describe. Cannot search for endpoints in large API definition within swagger. Makes it hard for users to find the API method they need quickly or to discover certain types by keyword. Describe the solution you'd like I want the search/filter capability as in this swagger demo https://petstore.swagger.io/?_gl=1r3qra5_gcl_au*MTU4MjQ5MzcyNS4xNzQwMjg5ODEw