Adding to Icon Theme

I am sure this is something fundamental that I am missing.
Hugo gives no indication of what may be wrong. :roll_eyes:

Hugo output for
hugo new blog/test.md

Running in Fast Render Mode. For full rebuilds on change: hugo server --disableFastRender
Web Server is available at http://192.168.1.79:80/ (bind address 192.168.1.79)
Press Ctrl+C to stop
INFO 2019/04/21 11:11:24 Received System Events: ["/home/ktst/hugo/huicon/hugo-icon-master/content/blog/test.md": CREATE "/home/ktst/hugo/huicon/hugo-icon-master/content/blog/test.md": WRITE]

Change detected, rebuilding site
2019-04-21 11:11:24.649 -0400
DEBUG 2019/04/21 11:11:24 Rebuild for events ["\"/home/ktst/hugo/huicon/hugo-icon-master/content/blog/test.md\": WRITE" "\"/home/ktst/hugo/huicon/hugo-icon-master/content/blog/test.md\": WRITE"]
Source changed "/home/ktst/hugo/huicon/hugo-icon-master/content/blog/test.md": WRITE
INFO 2019/04/21 11:11:24 found taxonomies: map[string]string{"category":"categories", "tag":"tags"}
DEBUG 2019/04/21 11:11:24 Render XML for "sitemap" to "/sitemap.xml"
Total in 6 ms