Update cloud-amazon-ec2.md

[DanRoscigno]

Description

Suggesting the name of the policy to create, later in the doc the reader is instructed to choose AlgoVPN_Provisioning, so I added a line up where the policy is created so they know what to name it.

Motivation and Context

Just makes the process easier.

How Has This Been Tested?

Types of changes

• Doc enhancement

Checklist:

• [x] I have read the CONTRIBUTING document.
• [] My code follows the code style of this project.
• [] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [] I have added tests to cover my changes.
• [] All new and existing tests passed.

[CLAassistant]

All committers have signed the CLA.