Update LICENSE

LICENSE

@@ -26,3 +26,22 @@ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Any questions about our licensed work can be sent to [email protected].
+
+This software uses Open Source Software (OSS). You can find the link for the source code of these open source projects, along with applicable license information, below.
+
+einops
+https://github.com/arogozhnikov/einops/
+Copyright (c) 2018 Alex Rogozhnikov
+MIT License
+
+fairseq
+https://github.com/facebookresearch/fairseq
+Copyright (c) Facebook, Inc. and its affiliates.
+MIT License
+
+sacremoses
+https://github.com/hplt-project/sacremoses
+Copyright (c) 2020 alvations
+MIT License