Added usage instructions to README.md, minor fixes to upload_page.py

src/transcription/ui/upload_page.py

@@ -36,12 +36,12 @@ def register_page() -> None:
         state = UploadPageState()
         status_label = ui.label("Upload a document to start transcription.")
 
-        def on_upload(event: UploadEventArguments) -> None:
+        async def on_upload(event: UploadEventArguments) -> None:
             state.loading = True
             status_label.text = "Uploading..."
             try:
-                payload = event.content.read()
-                result = submit_upload(filename=event.name, file_bytes=payload)
+                payload = await event.file.read()
+                result = submit_upload(filename=event.file.name, file_bytes=payload)
                 state.message = f"Created job {result.job_id}"
                 status_label.text = state.message
                 ui.notify(state.message, type="positive")
@@ -59,4 +59,4 @@ def register_page() -> None:
         ).props(f"accept={accepted_upload_types()}")
 
         with ui.row():
-            ui.link("View jobs", "/ui/jobs")
+            ui.link("View jobs", "/jobs")