update readme

README.md

@@ -1,18 +1,21 @@
-# Docker examples
+# 🐳 Docker examples
 
-Dockerfile examples for: 
-- Go, 
-- Node.js, 
-- Python, 
-- React
+`Dockerfile` examples for:
 
-## Build a container
+- [Elixir](./elixir)
+- [Go](./go)
+- [Kotlin](./kotlin)
+- [Node.js](./node)
+- [Python](./python)
+- [React](./react)
+
+## 👷 Build a container
 
 ```shell
 docker build -t $APPNAME:$VERSION .
 ```
 
-## Run a container
+## 🏃 Run a container
 
 ```shell
 docker run --rm $APPNAME:$VERSION