add sitemap and robots.txt

requirements.txt

@@ -38,3 +38,4 @@ sphinxcontrib-htmlhelp==1.0.2
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
+sphinx-sitemap==2.2.0

source/conf.py

@@ -149,3 +149,5 @@ version = '1.0'
 
 # Options for extensions.
 disqus_shortname = 'iswbm'  # Add this line to conf.py.
+html_baseurl = 'http://python.iswbm.com'
+html_extra_path = ["robots.txt"]

source/robots.txt

+User-agent: *
+Sitemap: http://python.iswbm.com/sitemap.xml