Minimal APIs Examples

Please review the different branches to see the examples:

• db-di-example has how to use database and DI with minimal APIs endpoints.
• header-versioning has example how to version minimal API endpoints to different versions sent in the header of the request.
• query-string-versioning has example how to version minimal API endpoints to different versions sent in the query string of the request.
• url-versioning has example how to version minimal API endpoints to different versions sent in the url of the request (v1, v2, etc).