demo: add homepage SEO example

exampleSite/content/publication/conference-paper/index.md

@@ -32,7 +32,7 @@ links:
 - name: Custom Link
   url: http://example.org
 url_pdf: http://eprints.soton.ac.uk/352095/1/Cushen-IMV2013.pdf
-url_code: '#'
+url_code: 'https://github.com/wowchemy/wowchemy-hugo-themes'
 url_dataset: '#'
 url_poster: '#'
 url_project: ''

exampleSite/content/publication/journal-article/index.md

@@ -35,7 +35,7 @@ featured: false
 # - name: ""
 #   url: ""
 url_pdf: http://arxiv.org/pdf/1512.04133v1
-url_code: ''
+url_code: 'https://github.com/wowchemy/wowchemy-hugo-themes'
 url_dataset: ''
 url_poster: ''
 url_project: ''

exampleSite/content/publication/preprint/index.md

@@ -31,7 +31,7 @@ links:
 - name: Custom Link
   url: http://example.org
 url_pdf: http://arxiv.org/pdf/1512.04133v1
-url_code: '#'
+url_code: 'https://github.com/wowchemy/wowchemy-hugo-themes'
 url_dataset: '#'
 url_poster: '#'
 url_project: ''