Add support fo Tableau (#1414)

Tableau is one of the most used data visualisation tool.
It has its own very active #datafam community.
This adds an icon which links to someone's public.tableau.com web page.

Author: nduchastel

layouts/partials/svg.html

@@ -666,6 +666,17 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" stroke-width="2">
     <path d="M22.539 8.242H1.46V5.406h21.08v2.836zM1.46 10.812V24L12 18.11 22.54 24V10.812H1.46zM22.54 0H1.46v2.836h21.08V0z"/>
 </svg>
+{{- else if (eq $icon_name "tableau") -}}
+<svg height="2467" width="2500" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60.3 59.5" fill="currentcolor">
+    <path d="M28.5 40.2h3.3v-9h8.3V28h-8.3v-9h-3.3v9h-8.2v3.2h8.2z"/>
+    <path d="M13.2 53.2H16v-8h7.4v-2.5H16v-8.1h-2.8v8.1H5.8v2.5h7.4z"/>
+    <path d="M44.3 24.3h2.8v-8h7.5v-2.4h-7.5V5.8h-2.8v8.1h-7.4v2.4h7.4z"/>
+    <path d="M29 59.5h2.4v-5.7h5.1v-2.1h-5.1V46H29v5.7h-5v2.1h5z"/>
+    <path d="M13.3 24.3h2.6v-8.1h7.5v-2.3h-7.5V5.8h-2.6v8.1H5.8v2.3h7.5z"/>
+    <path d="M52.8 36.3h2.4v-5.6h5.1v-2.2h-5.1v-5.6h-2.4v5.6h-5v2.2h5z"/>
+    <path clip-rule="evenodd" d="M44.3 53.2h2.8v-8h7.5v-2.5h-7.5v-8.1h-2.8v8.1h-7.4v2.5h7.4z" fill-rule="evenodd"/>
+    <path d="M36.1 7.2V5.5h-5V0h-1.8v5.5h-5v1.7h5v5.5h1.8V7.2zM5 35.9h1.8v-5.5h5v-1.7h-5v-5.4H5v5.4H0v1.8l5-.1z" />
+</svg>
 {{- else if (eq $icon_name "telegram") -}}
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
     stroke-linecap="round" stroke-linejoin="round">