packages/{ai,hategroup}_blocklist: include two versions of blocklist

nix/packages/by-name/hategroup_blocklist/package.nix

@@ -17,6 +17,10 @@ in
     };
 
     installPhase = ''
-      cp blocklist.txt $out
+      mkdir -p $out/share
+      cp blocklist.txt $out/share/domains.txt
+
+      cat $out/share/domains.txt |
+        sed 's/^\([^#].*\)$/0.0.0.0 \1/' > $out/share/hosts.txt
     '';
   }