Initial data commit

Task/Memory-allocation/Nim/memory-allocation.nim

@@ -0,0 +1,18 @@
+# Allocate thread local heap memory
+var a = alloc(1000)
+dealloc(a)
+
+# Allocate memory block on shared heap
+var b = allocShared(1000)
+deallocShared(b)
+
+# Allocate and Dellocate a single int on the thread local heap
+var p = create(int, sizeof(int)) # allocate memory
+# create zeroes memory; createU does not.
+echo p[]                         # 0
+p[] = 123                        # assign a value
+echo p[]                         # 123
+discard resize(p, 0)             # deallocate it
+# p is now invalid. Let's set it to nil
+p = nil                          # set pointer to nil
+echo isNil(p)                    # true