Update docs

Author: jrbourbeau

doc/requirements.txt

@@ -0,0 +1,2 @@
+sphinx
+furo

doc/source/conf.py

@@ -93,7 +93,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'furo'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -105,7 +105,7 @@
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-#html_title = None
+html_title = "Toolz"
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #html_short_title = None

doc/source/install.rst

@@ -11,4 +11,4 @@ three ways:
 
 1.  Toolz is pure Python
 2.  Toolz relies only on the standard library
-3.  Toolz simultaneously supports Python versions 3.5+ and PyPy
+3.  Toolz simultaneously supports Python versions 3.8+ and PyPy