Issue #1628: fix — re-add URLHaus.

data/URLHaus/update.json

@@ -0,0 +1,9 @@
+{
+  "name": "URLHaus",
+  "description": "A project from [abuse.ch](https://abuse.ch/) with the goal of sharing malicious URLs.",
+  "homeurl": "https://urlhaus.abuse.ch/",
+  "frequency": "weekly",
+  "issues": "mailto:cosntacptamem@abuse.ch",
+  "url": "https://urlhaus.abuse.ch/downloads/hostfile/",
+  "license": "CC0"
+}