Update README

README.md

@@ -2,7 +2,7 @@ nil: Language server for Nix Expression Language
 
 🚧 *This project is under development, but be happy to try it out!*
 
-Super fast incremental analysis! Scans `all-packages.nix` in less then 0.1s and completes with no delay!
+Super fast incremental analysis! Scans `all-packages.nix` in less than 0.1s and completes with no delay!
 
 ## Features
 
@@ -19,11 +19,14 @@ Super fast incremental analysis! Scans `all-packages.nix` in less then 0.1s and
 
 ## Installation
 
-**TODO: Beginner friendly instructions.**
-
 This repo is packaged via [Nix flakes][nix-flakes], the language server binary package is
 available through the default flake output `github:oxalica/nil#` with the path `bin/nil`.
 
+You can [enable flakes support][nix-flakes-install] in your nix configuration, and then
+run `nix profile install github:oxalica/nil` to get `nil` installed.
+You can also use this repository as a flake input and add its output to your own flake-managed
+systemwide or home configuration.
+
 Flake output structure:
 ```
 ├───devShells
@@ -36,6 +39,7 @@ Flake output structure:
 ```
 
 [nix-flakes]: https://nixos.wiki/wiki/Flakes
+[nix-flakes-install]: https://nixos.wiki/wiki/Flakes#Installing_flakes
 
 ### For neovim `nvim-lspconfig` user
 
@@ -45,12 +49,26 @@ Add the following vimscript to your configuration.
 lua <<EOF
   require('lspconfig').rnix.setup {
     autostart = true,
-    -- Change it to the path to the `nil` binary you installed.
-    cmd = { "/run/current-system/sw/bin/nil" },
+    -- Ensure `nil` is in your PATH.
+    cmd = { "nil" },
   }
 EOF
 ```
 
+### For emacs `eglot` user
+
+Add the following elisp code to your configuration. (using `use-package`)
+
+```elisp
+(use-package nix-mode)
+(use-package eglot
+  :config
+  ;; Ensure `nil` is in your PATH.
+  (add-to-list 'eglot-server-programs '(nix-mode . ("nil")))
+  :hook
+  (nix-mode . eglot-ensure))
+```
+
 ## License
 
 "nil" is primarily distributed under the terms of both the MIT