Added notice file

2020-03-06 14:41:49 -08:00 · 2020-03-06 14:41:49 -08:00 · e09ee9655c
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+# Third-party Software Notices and Information
+
+## OpenEXR
+
+https://www.openexr.com/
+
+https://www.nuget.org/packages/openexr-msvc-x64/
+
+## ZLib
+
+https://www.zlib.net/
+
+https://www.nuget.org/packages/zlib-msvc-x64/