Add details about updating AMI environment tags
Add details about updating AMI environment tags

In order to prevent from deleting production promoted AMIs housed in the
staging AWS account, ensure that the `Environment` tag is updated to
`Production`.

WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app,lliss/model-my-watershed,lliss/model-my-watershed,kdeloach/model-my-watershed,lliss/model-my-watershed,kdeloach/model-my-watershed,lliss/model-my-watershed,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,lliss/model-my-watershed,WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,project-icp/bee-pollinator-app