Please show us exapmles of how to use sendgrid components with C#

**What content needs to be created or modified?**

Show use examples in multiple languages of how we can call the dapr component. FOr me specifically using c#. From your documentation the component configuration has optional parameters and yet when called from c# code they're required.

https://docs.dapr.io/reference/components-reference/supported-bindings/sendgrid/
**Describe the solution you'd like**

**Where should the new material be placed?**

**The associated pull request from dapr/dapr, dapr/components-contrib, or other Dapr code repos**

**Additional context**