message: fix: Clearly label version compatibility
  closes
  Great idea from
diff: ## Features
  - Extremely easy deployment
  -- The widest OpenAPI features support (yes, it supports even `discriminator`) <br>
  +- The widest OpenAPI v2.0 features support (yes, it supports even `discriminator`) <br>
  ![](docs/images/discriminator-demo.gif)
  - Neat **interactive** documentation for nested objects <br>
  ![](docs/images/nested-demo.gif)
  - Multiple ReDoc instances on single page ([example](demo/examples/multiple-apis/index.html))
  ## Roadmap
  + - [ ] [OpenAPI v3.0 support](https://github.com/Rebilly/ReDoc/issues/312)
  - [x] ~~performance optimizations~~
  - [x] ~~better navigation (menu improvements + search)~~
  - [ ] ability to simple branding/styling
  @@ -44,6 +45,12 @@ We host the latest and all the previous ReDoc releases on GitHub Pages-based **C
  - `v1.x.x` release: https://rebilly.github.io/ReDoc/releases/v1.x.x/redoc.min.js
  - `latest` release: https://rebilly.github.io/ReDoc/releases/latest/redoc.min.js this file is updated with each release of ReDoc and may introduce breaking changes. **Not recommended to use in production.** Use particular release or `v1.x.x`.
  +## Version Guidance
  +| ReDoc Release | OpenAPI Specification |
  +|:--------------|:----------------------|
  +| 1.18.x | 2.0 |
  +| 1.17.x | 2.0 |
  +
  ## Some Real-life usages
  - [Rebilly](https://rebilly.github.io/RebillyAPI)
  - [Docker Engine](https://docs.docker.com/engine/api/v1.25/)
  