Merge pull request #8 from andersy005/patch-1

Update README

Author: cspencerjones

README.rst

@@ -1,14 +1,46 @@
+.. image:: https://img.shields.io/pypi/v/xlayers.svg?style=for-the-badge
+    :target: https://pypi.org/project/xlayers
+    :alt: Python Package Index
+
+.. image:: https://img.shields.io/conda/vn/conda-forge/xlayers.svg?style=for-the-badge
+    :target: https://anaconda.org/conda-forge/xlayers
+    :alt: Conda Version
+
+
 xlayers: Python implementation of MITgcm's layer package
 ========================================================
 
-xlayers requires the fortran-compiler package. Installing via `conda`_ is the easiest way::
+    
+    
+Installation
+------------
+
+
+xlayers can be installed from PyPI with pip:
+
+.. code-block:: bash
+
+    python -m pip install xlayers
+
+
+It is also available from `conda-forge` for conda installations:
+
+.. code-block:: bash
+
+    conda install -c conda-forge xlayers
+    
+To install xlayers from source repository, the fortran-compiler package is required. The easiest way to install the fortran-compiler is via `conda`_ :
+
+.. code-block:: bash
 
     conda install -c conda-forge fortran-compiler
     unset LDFLAGS
 
 .. _conda: https://conda-forge.org/
 
-To install xlayers from Github::
+Once the compiler is installed, now we can install xlayers from Github:
+
+.. code-block:: bash
 
     git clone https://github.com/cspencerjones/xlayers.git
     cd xlayers