Adjusts README regarding the replacement of ERD (Haskell) by erd-go.

README.md

@@ -9,12 +9,13 @@ The goal of this project is to build a multi platform (especially armv7) Docker
 * [blockdiag/seqdiag](https://github.com/blockdiag/seqdiag)
 * [imagemagick for meme](https://asciidoctor.org/docs/asciidoctor-diagram/#meme)
 * [mermaid](https://github.com/mermaid-js/mermaid-cli)
+* [erd-go](https://github.com/kaishuu0123/erd-go/)
 
 ## ⚠️ Note
 
 The following diagramming tools are not installed because there is no executable file for all supported platforms:
 
-* [erd](https://github.com/BurntSushi/erd)
+* [erd](https://github.com/BurntSushi/erd) was replaced by [erd-go](https://github.com/kaishuu0123/erd-go/)
 * [mscgen](http://www.mcternan.me.uk/mscgen/)