Add settings

Author: jcs090218

README.md

@@ -18,10 +18,20 @@ Still in development.
 - Diagnostics
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+## 💾 Installation
+
+`dotnet tool install --global shader-ls`
+
+See [shader-lsp nuget page]().
+
 ## 🔨 Usage
 
 ```sh
 /path/to/shader-ls --stdio
 ```
 
 The name is `shader-ls.exe` if you are using Windows!
+
+## 🔧 Settings
+
+- `ShaderLab.CompletionWord` - completing word in the completion service