#1520 Add options to configure SendGrid API Key Issue created by ariefrahmansyah Motivation: Why do you think this is important? While working on notifications using GCP and SendGrid (flyteorg/flyteadmin#259), I need to supply the SendGrid API Key. To achieve that, I configure SENDGRID_API_KEY via environment variables. I deployed Flyte using Helm, but since there's no way to provide environment variables via Helm, I need to manually add SENDGRID_API_KEY. Goal: What should the final outcome look like, ideally? To be able to properly configure SendGrid as the email sender. Describe alternatives you've considered Enable user to specify additional environment variables for flyteadmin deployment. flyteorg/flyte