Update README.md

Author: Bercon

README.md

@@ -1,2 +1,11 @@
-# sdk
-Spectacular AI SDK
+# Spectacular AI SDK
+
+The SDK performs 6-DoF pose tracking based on visual-inertial odometry (VIO), the fusion of camera and IMU data. See https://github.com/SpectacularAI/sdk-examples for more information.
+
+## License
+
+Free for non-commercial use.
+
+A list of 3rd party copyright notices that should be included in redistributions is included within the release packages.
+
+For more alternatives (support for other devices), CPU architectures (ARM) and commercial licensing options, contact us at https://www.spectacularai.com