Merged in feature/mutable-metadata1 (pull request #221)

M1, M2 and M3 complete

* M1, M2 and M3 complete

* review changes

* docs

* docs

cmd/queryAPI/main.go

@@ -26,6 +26,7 @@ import (
 	"queryorchestration/internal/cognitoauth"
 	"queryorchestration/internal/collector"
 	collectorset "queryorchestration/internal/collector/set"
+	"queryorchestration/internal/customschema"
 	"queryorchestration/internal/document"
 	documentbatch "queryorchestration/internal/document/batch"
 	documentdownload "queryorchestration/internal/document/download"
@@ -83,6 +84,7 @@ func main() {
 		lbl := label.New(cfg)
 		eul := eula.New(cfg)
 		uiSvc := uisettings.New(cfg)
+		customSchema := customschema.New(cfg, &customschema.SchemaValidator{}, customschema.NewSlogAuditSink(cfg.GetLogger()))
 
 		services := &queryapi.Services{
 			Export:           exp,
@@ -96,6 +98,7 @@ func main() {
 			DocumentBatch:    docbatch,
 			UISettings:       uiSvc,
 			FieldExtraction:  fieldext,
+			CustomSchema:     customSchema,
 			Folder:           fld,
 			Label:            lbl,
 			Eula:             eul,