update readme. project done??

README.md

@@ -1,2 +1,29 @@
 # monkey-language-server
-LSP server for monkey
+LSP server for [monkey](https://interpreterbook.com/#the-monkey-programming-language) (with some liberties taken).
+
+Just wanted to write an LSP server in Rust and see what it takes to turn ideas from an interpreter into a language server (it was much harder 😅).
+
+
+## Features (demo)
+Showcase of features implemented inside of neovim (with [tree-sitter highlighting](https://github.com/jamestrew/tree-sitter-monkey)).
+
+- [x] diagnostics
+
+![image](https://github.com/jamestrew/monkey-language-server/assets/66286082/0351ee18-631c-4492-8ebd-46199bd91d4b)
+
+- [x] go to definition
+
+https://github.com/jamestrew/monkey-language-server/assets/66286082/24e9af97-d515-4cdf-8b19-e0aa7b0edd5f
+
+- [x] find references
+
+https://github.com/jamestrew/monkey-language-server/assets/66286082/76897e41-445b-4a40-a13b-7aa31aac64e1
+
+- [x] completion
+
+https://github.com/jamestrew/monkey-language-server/assets/66286082/01f5547d-212e-49a0-ae3f-fcf5dd60be0f
+
+- [x] hover (with light type inferences)
+
+https://github.com/jamestrew/monkey-language-server/assets/66286082/c30943bd-f5f3-4ec6-b40d-e20f5355e399
+