add demo videos

Author: tony-xlh

app/guide/three-scanning-modes.md

@@ -25,7 +25,7 @@ The app provides three core scanning modes, each tailored for different workflow
 
   A more advanced mode which stitches multiple photos into a single composite image. Best for codes extending beyond a single camera frame.
 
-We've introduced the usage of the FOV Mode. Let's learn how to use the two extra modes.
+We've introduced the usage of the FOV Mode in [introduction](/introduction.md). Let's learn how to use the two extra modes.
 
 > [!NOTE]  
 > The Snap & Scan and Panorama modes require login.
@@ -38,6 +38,10 @@ Then, it works just like the FOV mode, except barcodes outside the photo taken w
 
 ![snap-and-scan](/assets/images/guide/snap-and-scan.jpg){:width="215"}
 
+Demo video:
+
+<video src="https://github.com/dynamsoft-docs/batch-barcode-scanner-docs/releases/download/assets/Snapscan-mode-demo.mp4" controls style="height: 360px; width: 100%;"></video>
+
 ## Panorama
 
 When using the Panorama mode, you can take photos continuously to stitch images so that you can get a whole image of all the barcodes, which the default field of view cannot contain.
@@ -49,4 +53,9 @@ There are some requirements for the Panorama mode:
 1. The barcodes have to be close to each other.
 2. There should be some duplicate recognition results of each photo. Otherwise, it cannot stitch the photos accurately.
 
+Demo video:
+
+<video src="https://github.com/dynamsoft-docs/batch-barcode-scanner-docs/releases/download/assets/Panorama-mode-demo.mp4" controls style="height: 360px; width: 100%;"></video>
+
+
 Read on to learn about more customization options: [Customization](/app/guide/customization.md).

introduction.md

@@ -21,7 +21,7 @@ It is suitable for scanning densely placed items like lab tubes or inventory box
 
 Demo video:
 
-<video src="https://github.com/tony-xlh/misc/releases/download/assets/bbs-demo.mp4" controls style="height: 360px; width: 100%;"></video>
+<video src="https://github.com/dynamsoft-docs/batch-barcode-scanner-docs/releases/download/assets/FOV-mode-demo.mp4" controls style="height: 360px; width: 100%;"></video>
 
 
 ## How it Works