Add tasks for all the new languages

Task/Take-notes-on-the-command-line/Nim/take-notes-on-the-command-line.nim

@@ -0,0 +1,10 @@
+import os, times, strutils
+
+if paramCount() == 0:
+  try: stdout.write readFile("notes.txt")
+  except IOError: discard
+else:
+  var f = open("notes.txt", fmAppend)
+  f.writeln getTime()
+  f.writeln "\t", commandLineParams().join(" ")
+  f.close()