Add tasks for all the new languages

Task/Anagrams/Sidef/anagrams.sidef

@@ -0,0 +1,10 @@
+func main(file) {
+    file.open_r(\var fh, \var err) ->
+        || die "Can't open file `#{file}' for reading: #{err}\n";
+
+    var vls = fh.words.group_by{.sort}.values;
+    var max = vls.map{.len}.max;
+    vls.grep{.len == max}.each{.join("\t").say};
+}
+
+main(%f'/tmp/unixdict.txt');