Add the installation page

INSTALL.rst

@@ -0,0 +1,31 @@
+############
+Installation
+############
+
+.. _pypi: https://pypi.org/project/mpltern
+.. _github: https://github.com/yuzie007/mpltern
+
+PyPI
+====
+
+The latest released version is avaiable from `PyPI <pypi_>`_.
+
+.. code-block::
+
+   python -m pip install -U mpltern
+
+Conda
+=====
+
+Under preparation.
+
+Github
+======
+
+The development version is available from `GitHub <github_>`_.
+
+.. code-block::
+
+   git clone https://github.com/yuzie007/mpltern.git
+   cd mpltern
+   python setup.py install

docsrc/conf.py

@@ -131,6 +131,7 @@ def __call__(self, *args, **kwargs):
 html_theme_options = {
     'navbar_links': [
         # ("home", "index"),
+        ("Installation", "installation"),
         ("Documents", "contents"),
         ("Examples", "gallery/index"),
      ],

docsrc/index.rst

@@ -4,7 +4,6 @@
 
 .. title:: mpltern
 
-.. _source code: https://github.com/yuzie007/mpltern
 .. _Matplotlib: https://matplotlib.org
 .. _seaborn: https://seaborn.pydata.org
 .. _Jupyter: http://jupyter.org
@@ -57,19 +56,6 @@ ternary-plot libraties:
    </div>
    <span class="clear_screenshots"></span>
 
-Installation
-============
-
-The latest version of mpltern is available from `GitHub <source code_>`_.
-
-.. code-block::
-
-   git clone https://github.com/yuzie007/mpltern.git
-   cd mpltern
-   python setup.py install
-
-Installations via PyPI and Conda are also planned.
-
 Citing mpltern
 ==============
 

docsrc/installation.rst

@@ -0,0 +1 @@
+.. include:: ../INSTALL.rst