Merge pull request stac-utils#41 from azavea/rde/0.3.1

Add GitHub banner to docs page.

Author: lossyrob

docs/conf.py

@@ -88,7 +88,14 @@
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
-html_theme_options = {}
+html_theme_options = {
+    "show_powered_by": False,
+    "github_user": "azavea",
+    "github_repo": "pystac",
+    "github_banner": True,
+    "show_related": False,
+    "note_bg": "#FFF59C",
+}
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,