Add Capital One as a Known Instance for the InnerSource Ambassador

pattern: InnerSource Ambassadors

@spier This does a great job at capturing all of the elements for IS ambassadors.

To answer your questions, yes it's a good description of what we are doing. Some additions I would suggest are:
a) where you say "are enthusiastic about IS", I would add "and ideally have experience using open source practices".
b) add info on 'what's in it for the ambassadors'. For example, it provides opportunity and topic for ambassadors to reach out and engage beyond their immediate teams. it provides opportunity for learning, enhancing influence, problem-solving, and communication skills, opportunity to share their expertise and passion in a structured way, and to network with like-minded enthusiasts.

re: whether Capital One is an org that has implemented the pattern:
I would not list Capital One yet. What is described in the pattern is our intent, but we are not yet an example of one that has fully implemented the pattern.

Originally posted by @sallydeering1 in https://github.com/InnerSourceCommons/InnerSourcePatterns/issues/740#issuecomment-2575442755

For extra reference also see this talk from the ISC Summit 2024:
The InnerSource Flywheel

Comece pelo padrão InnerSource Ambassadors vinculado na issue e revise a palestra InnerSource Flywheel referenciada para obter contexto. Resolva se Capital One deve ser listada, já que a discussão afirma explicitamente que ela ainda não deve ser tratada como um exemplo implementado; done deve consistir em uma decisão esclarecida e na atualização correspondente do padrão, se aprovada.