Add tasks for all the new languages

Task/Collections/Nim/collections-1.nim

@@ -0,0 +1,6 @@
+var a = [1,2,3,4,5,6,7,8,9]
+var b: array[128, int]
+b[9] = 10
+b[0..8] = a
+var c: array['a'..'d', float] = [1.0, 1.1, 1.2, 1.3]
+c['b'] = 10000

Task/Collections/Nim/collections-2.nim

@@ -0,0 +1,11 @@
+var d = @[1,2,3,5,6,7,8,9]
+d.add(10)
+d.add([11,12,13,14])
+d[0] = 0
+
+var e: seq[float] = @[]
+e.add(15.5)
+
+var f = newSeq[string]()
+f.add("foo")
+f.add("bar")

Task/Collections/Nim/collections-3.nim

@@ -0,0 +1,7 @@
+var g = (13, 13, 14)
+g[0] = 12
+
+var h: tuple[key: string, val: int] = ("foo", 100)
+
+# A sequence of key-val tuples:
+var i = {"foo": 12, "bar": 13}

Task/Collections/Nim/collections-4.nim

@@ -0,0 +1,6 @@
+var j: set[char]
+j.incl('X')
+
+var k = {'a'..'z', '0'..'9'}
+
+j = j + k

Task/Collections/Nim/collections-5.nim

@@ -0,0 +1,7 @@
+import tables
+var l = initTable[string, int]()
+l["foo"] = 12
+l["bar"] = 13
+
+var m = {"foo": 12, "bar": 13}.toTable
+m["baz"] = 14

Task/Collections/Nim/collections-6.nim

@@ -0,0 +1,6 @@
+import sets
+var n = initSet[string]()
+n.incl("foo")
+
+var o = ["foo", "bar", "baz"].toSet
+o.incl("foobar")

Task/Collections/Nim/collections-7.nim

@@ -0,0 +1,4 @@
+import queues
+var p = initQueue[int]()
+p.add(12)
+p.add(13)