Merge branch 'develop' into 'master'

add ticketing links

See merge request devfest-toulouse/site-devfest-2019!18

content/_index.fr.md

@@ -54,9 +54,9 @@ Le DevFest, ou 'Developers Festival', est une conférence technique destinée au
 <!-- ... -->
 
 {{% home-tickets %}}
-# Billets
+# Billets <a class="btn primary" href="https://www.billetweb.fr/devfest-toulouse-2019" target="_blank">Billeterie</a>
 
-<ul>  
+<ul>
 <li>{{< ticket name="Blind Birds"
            starts="2019-03-25"
            ends="2019-04-25"

content/_index.md

@@ -59,9 +59,9 @@ It is aimed at students, professionals or simply curious technophiles.
 <!-- ... -->
 
 {{% home-tickets %}}
-# Tickets
+# Tickets <a class="btn primary" href="https://www.billetweb.fr/devfest-toulouse-2019" target="_blank">Ticketing</a>
 
-<ul>  
+<ul>
 <li>{{< ticket name="Blind Birds"
            starts="2019-03-25"
            ends="2019-04-25"