* Add support for enum schemas and properties to the rust generator
Also:
* Skip serializing a field with serde if it's optional and empty
* Fix borrow checker error when using &std::path::Path (should be std::path::PathBuf)
* Add script to generate sample with rust-reqwest
* Regenerate petstore sample for both rust targets
* Remove go code from README.md
* Fix formatting of serde skip_serializing_if attribute
* update rust client with petstore oas2
* update rust with oas2 petstore, fix default value
* fix type mapping for file, update api_doc for rust client
* update rust client with oas3
* add rust generator (1st release)
* update based on feedback
* fix reserved keyword
* fix string parameter
* Convert String to &str in trait definition
* Only pass pathParams to uri builder
* Fixed the html escaping in return type
* Fixed the hashmap constructor
* Added models into API scope
* removed models subimport, reference from super
* update returntype in method signature
* Fixed the remaining templates inconsistencies
* Fixed issues that floated up in kubernetes swagger file
* add hash support, fix docstring
* fix map parameter, update api.mustache
* use baseName for parameter
* use fully-qualfiied model name
* add rust tests
* fix test cases
* Rust gen slightly more idiomatic (#6247)
* Go -> Rust in README
* Remove leftover go file in rust sample
* rust: Regenerate sample
* rust: Rename *Impl -> *Client
* rust: one-line use line
More in line with common style
* rust: Replace tabs (in java) with 4 spaces
* Added trivial getter implementation (#6249)
* update rust petstore samples
