docs: add ApexToon implementation (#197)

* Add ApexToon implementation link to README

* Add Apex implementation to implementations documentation

Author: Eacaw

README.md

@@ -846,6 +846,7 @@ Comprehensive guides, references, and resources to help you get the most out of
 
 ### Community Implementations
 
+- **Apex:** [ApexToon](https://github.com/Eacaw/ApexToon)
 - **C++:** [ctoon](https://github.com/mohammadraziei/ctoon)
 - **Clojure:** [toon](https://github.com/vadelabs/toon)
 - **Crystal:** [toon-crystal](https://github.com/mamantoha/toon-crystal)

docs/ecosystem/implementations.md

@@ -26,6 +26,7 @@ Community members have created implementations in additional languages:
 
 | Language | Repository | Maintainer |
 |----------|------------|------------|
+| **Apex** | [ApexToon](https://github.com/Eacaw/ApexToon) | [@Eacaw](https://github.com/Eacaw) |
 | **C++** | [ctoon](https://github.com/mohammadraziei/ctoon) | [@mohammadraziei](https://github.com/mohammadraziei) |
 | **Clojure** | [toon](https://github.com/vadelabs/toon) | [@vadelabs](https://github.com/vadelabs) |
 | **Crystal** | [toon-crystal](https://github.com/mamantoha/toon-crystal) | [@mamantoha](https://github.com/mamantoha) |