feat: Add support for private files to file module (#8169)

packages/core/core-flows/src/file/steps/upload-files.ts

@@ -7,6 +7,7 @@ type UploadFilesStepInput = {
     filename: string
     mimeType: string
     content: string
+    access: "public" | "private"
   }[]
 }
 

packages/core/core-flows/src/file/workflows/upload-files.ts

@@ -7,6 +7,7 @@ type WorkflowInput = {
     filename: string
     mimeType: string
     content: string
+    access: "public" | "private"
   }[]
 }