Add a new name resolution method: structuredformat doc #4966
Description
What content needs to be created or modified?
Desceibe how to use a new name resolution method: structuredformat
Describe the solution you'd like
Add a new name resolution method: structuredformat
Where should the new material be placed?
supported-name-resolution
The associated pull request from dapr/dapr, dapr/components-contrib, or other Dapr code repos
issue: dapr/components-contrib#4084
PR: dapr/components-contrib#4085
Additional context