Add default logo to blazor projects

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor.Server.Tiered/wwwroot/global-styles.css

@@ -1,3 +1,10 @@
 body {
     
-}
+}
+
+/* <TEMPLATE-REMOVE IF-NOT='LEPTONX'> */
+:root .lpx-brand-logo {
+    --lpx-logo: url('/images/logo/leptonx/logo-light.png');
+    --lpx-logo-icon: url('/images/logo/leptonx/logo-light-thumbnail.png');
+}
+/* </TEMPLATE-REMOVE> */ 

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor.Server/wwwroot/global-styles.css

@@ -1,3 +1,10 @@
 body {
     
-}
+}
+
+/* <TEMPLATE-REMOVE IF-NOT='LEPTONX'> */
+:root .lpx-brand-logo {
+    --lpx-logo: url('/images/logo/leptonx/logo-light.png');
+    --lpx-logo-icon: url('/images/logo/leptonx/logo-light-thumbnail.png');
+}
+/* </TEMPLATE-REMOVE> */ 

templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/wwwroot/main.css

@@ -1,4 +1,12 @@
 /* Global styles for the MyProjectName application */
+
+/* <TEMPLATE-REMOVE IF-NOT='LEPTONX'> */
+:root .lpx-brand-logo {
+    --lpx-logo: url('/images/logo/leptonx/logo-light.png');
+    --lpx-logo-icon: url('/images/logo/leptonx/logo-light-thumbnail.png');
+}
+/* </TEMPLATE-REMOVE> */ 
+
 .spinner {
     width: 40px;
     height: 40px;