Merge branch 'develop' into 'master'

add ticketing links

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

content/_index.fr.md

@@ -54,7 +54,7 @@ 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>
 <li>{{< ticket name="Blind Birds"

content/_index.md

@@ -59,7 +59,7 @@ 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>
 <li>{{< ticket name="Blind Birds"