chore(doc): add some some icons to readme

Author: s1n7ax

README.md

@@ -1,5 +1,11 @@
 # :construction: nvim-java (WIP)
 
+![Neovim](https://img.shields.io/badge/NeoVim-%2357A143.svg?&style=for-the-badge&logo=neovim&logoColor=white)
+![Lua](https://img.shields.io/badge/lua-%232C2D72.svg?style=for-the-badge&logo=lua&logoColor=white)
+![Java](https://img.shields.io/badge/java-%23ED8B00.svg?style=for-the-badge&logo=openjdk&logoColor=white)
+![Gradle](https://img.shields.io/badge/Gradle-02303A.svg?style=for-the-badge&logo=Gradle&logoColor=white)
+![Apache Maven](https://img.shields.io/badge/Apache%20Maven-C71A36?style=for-the-badge&logo=Apache%20Maven&logoColor=white)
+
 No need to put up with [jdtls](https://github.com/eclipse-jdtls/eclipse.jdt.ls) nonsense anymore.
 Just install and start writing `public static void main(String[] args)`.