fix: add trial license explicitly

Author: felixindrawan

hello-world/blazor/README.md

@@ -274,7 +274,7 @@ Inside the `wwwroot\index.html` file, we will initialize the license and necessa
          * To use the library, you need to first specify a license key using the API "initLicense()" as shown below.
          */
 
-        Dynamsoft.License.LicenseManager.initLicense("");
+        Dynamsoft.License.LicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9");
 
         /**
          * You can visit https://www.dynamsoft.com/customer/license/trialLicense?utm_source=github&product=dbr&package=js to get your own trial license good for 30 days.

hello-world/blazor/hello-world-blazor/BlazorApp1/wwwroot/index.html

@@ -34,7 +34,7 @@
          * To use the library, you need to first specify a license key using the API "initLicense()" as shown below.
          */
 
-        Dynamsoft.License.LicenseManager.initLicense("");
+        Dynamsoft.License.LicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9");
 
         /**
          * You can visit https://www.dynamsoft.com/customer/license/trialLicense?utm_source=github&product=dbr&package=js to get your own trial license good for 30 days.