Add overlay gamepad support for keyboard-only mode (#17)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "subminer",
-  "version": "0.5.6",
+  "version": "0.6.0",
   "description": "All-in-one sentence mining overlay with AnkiConnect and dictionary integration",
   "packageManager": "bun@1.3.5",
   "main": "dist/main-entry.js",