Added Youtube Demo

readme.md

@@ -1,4 +1,6 @@
-# Welcome to VOCR
+# Welcome to VOCR
+[![VOCR Demo on Youtube](https://img.youtube.com/vi/maBtR_6KDFs/0.jpg)](https://www.youtube.com/watch?v=maBtR_6KDFs)
+
 **WARNING**: USE AT YOUR OWN RISK! This is in alpha cycle. Many things may not work and change frequently without notice.
 
 If you're using earlier MacOS than Catalina 10.15, please use the older [VOCR with tesseract.](https://github.com/chigkim/VOCR/tree/tesseract)
@@ -70,10 +72,9 @@ The following shortcuts only works after a scan.
 * Go to beginning/end horizontally: command+control+left/right arrow
 * Exit navigation: escape
 * Save OCR result to file: command+shift+control+s
-
+
 ## Troubleshooting
 * If you hear "nothing found" or just hear the word "the", most likely either you need to turn off VoiceOver screen curtain with vo+shift+f11, or fix accessibility and screen recording  permission in security and privacy preference.
 * If you do not hear anything after recognize image under VoiceOver cursor, most likely you need to give   VOCR permissions to 1. send Apple Events, 2. control VoiceOver, and 3. access desktop folder. Usually relaunching VOCR and reissuing the command usually retrigger the alerts to reappear in the system dialogs.
-
+
 Lastly, please enjoy and send me your feedback!
-