Update README.md

Author: Sungjin Han

README.md

@@ -1,6 +1,17 @@
 # libtensorflow.so for Raspberry Pi
 
-This repository is for storing pre-built libtensorflow.so files.
+This repository is for storing pre-built **libtensorflow.so** files.
 
 Read [this post](https://blog.meinside.pe.kr/TensorFlow-and-Go-on-Raspberry-Pi/) if you want to build one yourself.
 
+## How to use
+
+Download the .tgz file from [here](https://github.com/meinside/libtensorflow.so-raspberrypi/releases).
+
+Unzip it and move it into `/usr/local/lib`.
+
+```bash
+$ tar -xzvf libtensorflow_v0.0.0_2999-12-31.tgz
+$ sudo mv libtensorflow.so /usr/local/lib/
+$ sudo ldconfig
+```