feat: add UI for editing series Audible ASIN

- Create AsinInput.vue component for ASIN input with URL extraction
- Update EditSeriesInputInnerModal to include ASIN field
- Update SeriesInputWidget to fetch and save ASIN data
- Add SeriesController PATCH endpoint for updating ASIN
- Add localization strings for ASIN-related messages

The AsinInput component automatically extracts ASINs from pasted
Audible URLs and provides validation feedback.

client/strings/en-us.json

@@ -576,6 +576,7 @@
   "LabelSequence": "Sequence",
   "LabelSerial": "Serial",
   "LabelSeries": "Series",
+  "LabelSeriesAsin": "Audible Series ASIN",
   "LabelSeriesName": "Series Name",
   "LabelSeriesProgress": "Series Progress",
   "LabelServerLogLevel": "Server Log Level",
@@ -737,6 +738,7 @@
   "MessageAddToPlayerQueue": "Add to player queue",
   "MessageAppriseDescription": "To use this feature you will need to have an instance of <a href=\"https://github.com/caronc/apprise-api\" target=\"_blank\">Apprise API</a> running or an api that will handle those same requests. <br />The Apprise API Url should be the full URL path to send the notification, e.g., if your API instance is served at <code>http://192.168.1.1:8337</code> then you would put <code>http://192.168.1.1:8337/notify</code>.",
   "MessageAsinCheck": "Ensure you are using the ASIN from the correct Audible region, not Amazon.",
+  "MessageAsinExtractedFromUrl": "ASIN extracted from URL",
   "MessageAuthenticationLegacyTokenWarning": "Legacy API tokens will be removed in the future. Use <a href=\"/config/api-keys\">API Keys</a> instead.",
   "MessageAuthenticationOIDCChangesRestart": "Restart your server after saving to apply OIDC changes.",
   "MessageAuthenticationSecurityMessage": "Authentication has been improved for security. All users are required to re-login.",
@@ -938,6 +940,7 @@
   "MessageUploaderItemFailed": "Failed to upload",
   "MessageUploaderItemSuccess": "Successfully Uploaded!",
   "MessageUploading": "Uploading...",
+  "MessageValidAsinFormat": "Valid ASIN format",
   "MessageValidCronExpression": "Valid cron expression",
   "MessageWatcherIsDisabledGlobally": "Watcher is disabled globally in server settings",
   "MessageXLibraryIsEmpty": "{0} Library is empty!",