add a share_target for people to add a photo

sw_scripts/safari-notifications.js

@@ -566,6 +566,20 @@ async function getNotificationCount() {
   return result;
 }
 
+// Store the image blob and go immediate to a page to upload it.
+// @param photo - image Blob to store for later retrieval after redirect
+async function savePhoto(photo) {
+  try {
+    const db = await openIndexedDB("TimeSafari");
+    const transaction = db.transaction("temp", "readwrite");
+    const store = transaction.objectStore("temp");
+    await updateRecord(store, { id: "shared-photo", blob: photo });
+    transaction.oncomplete = () => db.close();
+  } catch (error) {
+    console.error("safari-notifications logMessage IndexedDB error", error);
+  }
+}
+
 self.appendDailyLog = appendDailyLog;
 self.getNotificationCount = getNotificationCount;
 self.decodeBase64 = decodeBase64;