v1.2.3

Added descriptions for the functions in the repo
Routing Integration: copy to routing changes
Configured test event to send files to routing
Metadata update for NDLP accepted values
Added integration tests suite to upload repo
Metadata configuration changes for routing
Integrate app insight Bulk Upload Processor
Updated log level from error to information
Unit test for bulk upload
Metadata definitions added to summary table ( tus/file-hooks/metadata-verify/definitions/readme.md )