docs(readme): mention Domo and TypedEctoSchema

Closes #19.

Author: ejpcmac

README.md

@@ -371,11 +371,6 @@ defmodule MyModule do
 end
 ```
 
-## [Contributing](CONTRIBUTING.md)
-
-Before contributing to this project, please read the
-[CONTRIBUTING.md](CONTRIBUTING.md).
-
 ## Initial roadmap
 
 * [x] Struct definition
@@ -391,6 +386,19 @@ Before contributing to this project, please read the
 * [x] Integration with [Lens](https://github.com/obrok/lens)
 * [ ] Integration with [Ecto](https://github.com/elixir-ecto/ecto)
 
+## Related libraries
+
+* [Domo](https://github.com/IvanRublev/Domo): a library to validate structs that
+    define a `t()` type, like the one generated by `TypedStruct`.
+* [TypedEctoSchema](https://github.com/bamorim/typed_ecto_schema): a library
+    that provides a DSL on top of `Ecto.Schema` to achieve the same result as
+    `TypedStruct`, with `Ecto`.
+
+## [Contributing](CONTRIBUTING.md)
+
+Before contributing to this project, please read the
+[CONTRIBUTING.md](CONTRIBUTING.md).
+
 ## License
 
 Copyright © 2018-2020 Jean-Philippe Cugnet and Contributors