Add tasks for all the new languages

Task/Align-columns/Nim/align-columns.nim

@@ -0,0 +1,22 @@
+import strutils, sequtils, strfmt
+
+let textinfile = """Given$a$text$file$of$many$lines,$where$fields$within$a$line$
+are$delineated$by$a$single$'dollar'$character,$write$a$program
+that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$
+column$are$separated$by$at$least$one$space.
+Further,$allow$for$each$word$in$a$column$to$be$either$left$
+justified,$right$justified,$or$center$justified$within$its$column."""
+
+var words = textinfile.splitLines.mapIt(seq[string], it.split '$')
+var maxs = newSeq[int](max words.mapIt(int, it.len))
+
+for l in words:
+  for j,w in l:
+    maxs[j] = max(maxs[j], w.len+1)
+
+for i, align in ["<",">","^"]:
+  echo(["Left", "Right", "Center"][i], " column-aligned output:")
+  for l in words:
+    for j,w in l:
+      stdout.write w.format align & $maxs[j]
+    stdout.write "\n"