Added changes.rst, expanded README

Author: oleksandr-pavlyk

CHANGES.rst

@@ -0,0 +1,9 @@
+=====================
+mkl-service changelog
+=====================
+
+
+1.0.0
+=====
+
+Initial release of `mkl-service` package.

README.md

@@ -1,3 +1,15 @@
 # mkl-service
 
 Python hooks for Intel(R) Math Kernel Library runtime control settings.
+
+See the [blog](https://software.intel.com/en-us/blogs/2018/10/18/mkl-service-package-controlling-mkl-behavior-through-python-interfaces) announcing the release.
+
+To install the package, use `conda install -c intel mkl-service`.
+
+A short example, illustrating it use:
+
+```python
+import tomopy
+import mkl
+mkl.domain_set_num_threads(1, domain='fft') # Intel (R) MKL FFT functions to run sequentially
+```