Added release notes

Author: edwinsolisf

docs/release_notes.md

@@ -0,0 +1,21 @@
+Release Notes {#releasenotes}
+==============
+
+v0.1.0
+======
+Welcome to the ArrayFire Python Bindings! These are the currently supported features:
+
+- Support for all backends (cpu, opencl, oneapi, cuda)
+- Computer Vision
+- Functions to Create and Modify Arrays
+- Functions to Work with Internal Array Layout
+- Image Processing with Features
+- Input and Output Functions
+- Interface Functions
+- Linear Algebra
+- Machine Learning
+- Mathematical Functions
+- Signal Processing
+- Statistics
+- Unified API Functions
+- Vector Algorithms