theme: upgrade to latest v4.1 dev (talk front matter upgraded)

Also:

- Project and Custom widgets renamed (upgraded)
- Rearranges section positions and adds demo section to introduce
the template and help the user get started

content/home/experience.md

@@ -7,7 +7,7 @@ title = "Experience"
 subtitle = ""
 
 # Order that this section will appear in.
-weight = 8
+weight = 40
 
 # Date format for experience
 #   Refer to https://sourcethemes.com/academic/docs/customization/#date-format