Add alwaysdata.com favicon (#561)

alwaysdata is a French hosting company : https://www.alwaysdata.com

The `alwaysdata.com` domain is reserved for corporate use (emails,
websites, etc.). Customers use the `alwaysdata.net` domain.

This PR adds our logo only for the corporate `alwaysdata.com` domain.

Author: flesueur

data/favicon.json

@@ -36,6 +36,7 @@
 	"alpenverein.de": "alpenverein.de.png",
 	"alternate.de": "alternate.de.png",
 	"altroconsumo.it": "altroconsumo.it.png",
+	"alwaysdata.com": "alwaysdata.com.svg",
 	"amazon.co.uk": "amazon.com.ico",
 	"amazon.com": "amazon.com.ico",
 	"amazon.de": "amazon.com.ico",

data/favicon/alwaysdata.com.svg

@@ -211,6 +211,12 @@
 			"sdid": "altroconsumo.it noreply.altroconsumo.it",
 			"ruletype": "ALL",
 			"priority": "DEFAULT_RULE_ALL_2"
+		}, {
+			"domain": "alwaysdata.com",
+			"addr": "*",
+			"sdid": "alwaysdata.com",
+			"ruletype": "ALL",
+			"priority": "DEFAULT_RULE_ALL"
 		}, {
 			"domain": "amazon.co.uk",
 			"addr": "*",