Fix portrait image not displaying in About widget (#186)

exampleSite/config.toml

@@ -1,4 +1,4 @@
-baseurl = "https://example.com"
+baseurl = "https://example.com/"  # End your URL with a `/` trailing slash.
 title = "Academic"
 copyright = "© 2016 Your Name"
 theme = "academic"