Fix Learn theme addition to git

themes/learn/exampleSite/content/shortcodes/siteparam.en.md

@@ -0,0 +1,23 @@
+---
+title: Site param
+description : "Get value of site params variables in your page."
+---
+
+`siteparam` shortcode is used to help you print values of site params. 
+
+For instance, in this current site, the `editURL` variable is used in `config.toml`
+
+```toml
+[params]
+  editURL = "https://github.com/matcornic/hugo-theme-learn/edit/master/exampleSite/content/"
+```
+
+Use the `siteparam` shortcode to display its value.
+
+```
+`editURL` Value : {{%/* siteparam "editURL" */%}}
+```
+
+is displayed as
+
+`editURL` Value : {{% siteparam "editURL" %}}