docs: add tui plugin install config

Author: Tarquinen

README.md

@@ -9,7 +9,7 @@ Automatically reduces token usage in OpenCode by managing conversation context.
 
 ## Installation
 
-Add to your OpenCode config:
+Add to your OpenCode configs:
 
 ```jsonc
 // opencode.jsonc
@@ -18,6 +18,13 @@ Add to your OpenCode config:
 }
 ```
 
+```jsonc
+// tui.jsonc
+{
+    "plugin": ["@tarquinen/opencode-dcp@latest"],
+}
+```
+
 Using `@latest` ensures you always get the newest version automatically when OpenCode starts.
 
 Restart OpenCode. The plugin will automatically start optimizing your sessions.