Initial data commit

Task/Enumerations/Nim/enumerations.nim

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+# Simple declaration.
+type Fruits1 = enum aApple, aBanana, aCherry
+
+# Specifying values (accessible using "ord").
+type Fruits2 = enum bApple = 0, bBanana = 2, bCherry = 5
+
+# Enumerations with a scope which prevent name conflict.
+type Fruits3 {.pure.} = enum Apple, Banana, Cherry
+type Fruits4 {.pure.} = enum Apple = 3, Banana = 8, Cherry = 10
+var x = Fruits3.Apple  # Need to qualify as there are several possible "Apple".
+
+# Using vertical presentation and specifying string representation.
+type Fruits5 = enum
+  cApple = "Apple"
+  cBanana = "Banana"
+  cCherry = "Cherry"
+echo cApple   # Will display "Apple".
+
+# Specifying values and/or string representation.
+type Fruits6 = enum
+  Apple = (1, "apple")
+  Banana = 3            # implicit name is "Banana".
+  Cherry = "cherry"     # implicit value is 4.