Add powered mention on about section

locales/en.json

@@ -23,7 +23,8 @@
 		"commandRemove": "Order deletion",
 		"question": "Practical question",
 		"profile": "My profile",
-		"other": "Another question"
+		"other": "Another question",
+		"powered": "Powered by"
 	},
 	"index": {
 		"welcome": "Welcome to Sandwiches Order Doua",

locales/fr.json

@@ -23,7 +23,8 @@
 		"commandRemove": "Suppression de commande",
 		"question": "Question Pratique",
 		"profile": "Mon profil",
-		"other": "Autre question"
+		"other": "Autre question",
+		"powered": "Propulsé par"
 	},
 	"index": {
 		"welcome": "Bienvenue sur Sandwiches Order Doua",

views/layout.pug

@@ -57,6 +57,8 @@ html
           p=__("layout.IT")
       p.before-link=__("layout.made")
         a(href="https://www.linkedin.com/in/florian-charlaix" target="_blank") Florian Charlaix
+      p.before-link=__("layout.powered")
+        a(href="https://sapinet.fr" target="_blank") Sapinet
     div#contact.popup.card.hide
       h1=__("contact")
       form(action="/contact" method="POST")