Add tasks for all the new languages

Task/Ordered-words/Sidef/ordered-words.sidef

@@ -0,0 +1,14 @@
+var words = [[]]
+var file = %f'unixdict.txt'
+
+file.open_r(\var fh, \var err) ->
+    || die "Can't open file #{file}: $#{err}"
+
+fh.each { |line|
+    line.trim!
+    if (line == line.sort) {
+        words[line.length] := [] << line
+    }
+}
+
+say words[-1].join(' ')