add requirements in README.md

TyounanMOTI · web-flow · commit 93f71ef099a4 · 2018-09-22T19:53:56.000+09:00
diff --git a/README.md b/README.md
@@ -1,6 +1,13 @@
 # UnityOpus
 libopus bridge for Unity.
 
+# Requirements
+UnityOpus is tested on following environments:
+- Windows 10
+- Mac OS X
+
+TBD for other environments.
+
 # Documentation
 TBD.
 
