update readme

Author: 0xdeafbeef

README.md

@@ -1 +1,15 @@
 # android-bt-parser
+
+# usage
+
+Obtain device id:
+
+```sh
+adb devices
+```
+
+Enjoy debugging:
+
+```bash
+android-bt-parser--device-id DEVICE_ID --lib-path path_to_native_lib --app-name com.my.fucked.app.ndk.attempt
+```