Merge pull request #478 from oneness/main

Updated flake.lock file and added nix develop instructions

readme.md

@@ -40,11 +40,21 @@ This requires [Rust](https://www.rust-lang.org/tools/install) (>=1.75) to be ins
  ```
  cargo install --git https://github.com/uiua-lang/uiua uiua
  ```
+- If you use Nix or NixOS, you can clone this repo and do following: 
+ ```
+ nix develop # to drop into a shell prompt with all the dependencies
+ cargo check # to make sure you can compile/build latest version 
+ cargo build # to build latest debug version of uiua 
+ cargo run repl # to get uiua repl 
+ ```
+ *Note:* If you encounter errors such as rustc or any other package
+ version mismatch, it is most likely that flake.lock file needs to be
+ updated to pull in updated dependencies for nix shell. 
 
 ## Language and Font Support
 
 The Uiua native interpreter has a built-in language server that can be used by editor extensions.
 
 You can find a list of editor extensions [here](https://uiua.org/docs/install#editor-support).
 
-You can find a list of fonts that support Uiua's characters [here](https://uiua.org/docs/install#fonts).
+You can find a list of fonts that support Uiua's characters [here](https://uiua.org/docs/install#fonts).