This repository is for storing pre-built libtensorflow.so files.
Read this post if you want to build one yourself.
Download the .tgz file from here.
Unzip it and move it into /usr/local/lib.
$ tar -xzvf libtensorflow_v0.0.0_2999-12-31.tgz
$ sudo mv libtensorflow.so /usr/local/lib/
$ sudo ldconfig