Add tasks for all the new languages

Task/Search-a-list/Ring/search-a-list.ring

@@ -0,0 +1,18 @@
+haystack = ["alpha","bravo","charlie","delta","echo","foxtrot","golf",
+"hotel","india","juliet","kilo","lima","mike","needle",
+"november","oscar","papa","quebec","romeo","sierra","tango",
+"needle","uniform","victor","whisky","x-ray","yankee","zulu"]
+
+needle = "needle"
+maxindex = len(haystack)
+
+for index = 1 to maxindex
+    if needle = haystack[index] exit ok
+next
+if index <= maxindex
+   see "first found at index " + index + nl ok
+for last = maxindex to 0 step -1
+    if needle = haystack[last] exit ok
+next
+if !=index see " last found at index " + last + nl
+else see "not found" + nl ok