Added additional convenience overloads to CreateVector().

Bug: 29337887, 29336299
Change-Id: Iad8b3b2263f6cea7ee7e45994369194960df293b
Tested: on Linux.

docs/source/Tutorial.md

@@ -790,6 +790,14 @@ offsets.
 ~~~
 </div>
 
+<div class="language-cpp">
+<br>
+Note there's additional convenience overloads of `CreateVector`, allowing you
+to work with data that's not in a `std::vector`, or allowing you to generate
+elements by calling a lambda. For the common case of `std::vector<std::string>`
+there's also `CreateVectorOfStrings`.
+</div>
+
 To create a `struct`, use the `Vec3` class/struct that was generated by
 the schema compiler:
 
@@ -1075,7 +1083,7 @@ Here is a repetition these lines, to help highlight them more clearly:
 <div class="language-c">
 ~~~{.c}
   // Add union type and data simultanously.
-  ns(Monster_equipped_Weapon_add(B, axe)); 
+  ns(Monster_equipped_Weapon_add(B, axe));
 ~~~
 </div>