Expanded contributing and added installation section

Author: oleksandr-pavlyk

docs/source/maintenance/index.rst

@@ -13,3 +13,31 @@ clone it:
         git clone https://github.com/<fork-org>/mkl_random.git
 
 
+A working compiler is needed build :mod:`mkl_random`. 
+Both Gnu :code:`g++` and Intel LLVM :code:`icpx` are supported.
+
+Make sure to install Python packages required to build :mod:`mkl_random`:
+
+* python
+* numpy
+* cython
+* setuptools
+
+You would also need Intel(R) MKL library and its headers. Set :code:`MKLROOT` environment
+variable so that :code:`${MKLROOT}/include/mkl.h` and :code:`${MKLROOT}/lib/libmkl_rt.so`
+can be found.
+
+.. code-block: bash
+   :caption: Building mkl_random
+
+   $ export MKLROOT=</path/to/mkl>
+   python setup.py develop
+
+To build documentation, install dependencies and running
+
+.. code-block: bash
+   :caption: Building mkl_random documentation
+
+   $ sphinx-build -M html docs/source docs/build
+
+Rendered documentation can be found in "docs/build/html".

docs/source/tutorials.rst

@@ -1,3 +1,37 @@
+Installation
+============
+
+Package :mod:`mkl_random` is available in conda ecosystem on "conda-forge", default, and "intel" channels.
+
+.. code-block:: bash
+    :caption: Install mkl_random from conda-forge channel
+
+        $ conda install -c conda-forge mkl_random
+
+.. code-block:: bash
+    :caption: Install mkl_random from intel channel
+
+        $ conda install -c intel mkl_random
+
+.. code-block:: bash
+    :caption: Install mkl_random from default
+
+        $ conda install mkl_random
+
+The package can also be installed via :code:`pip`, either from PyPI, or from 
+
+.. code-block:: bash
+    :caption: Install mkl_random using pip from intel channel on Anaconda
+
+    $ pip install -i https://pypi.anaconda.org/intel/simple mkl_random
+
+.. code-block:: bash
+    :caption: Install mkl_random using pip from PyPI
+
+    $ pip install mkl_random
+
+The :mod:`mkl_random` is also distributed as part of `Intel(R) Distribution for Python* <https://www.intel.com/content/www/us/en/developer/tools/oneapi/distribution-for-python.html>`_.
+
 Beginner's guide
 ================