client: Make home page tiles regular links

js/src/main/scala/cs214/webapp/client/Pages.scala

@@ -28,16 +28,16 @@ object Page:
 abstract class AppCatalogPage extends Page:
   def render(apps: Seq[AppInfo]): Frag
 
-  def selectApp(appId: AppId): Unit =
-    WebClient.navigateTo(InstanceCreationPage(appId))
-
-  def renderApp(appInfo: AppInfo): Frag =
-    figure(
-      onclick := (() => selectApp(appInfo.id)),
-      img(src := s"/static/${appInfo.id}.png"),
-      figcaption(
-        h4(appInfo.name),
-        p(appInfo.description)
+  def renderApp(appInfo: AppInfo, classes: String): Frag =
+    a(
+      cls := "app " + classes,
+      href := WebClient.url(InstanceCreationPage(appInfo.id)),
+      figure(
+        img(src := s"/static/${appInfo.id}.png"),
+        figcaption(
+          h4(appInfo.name),
+          p(appInfo.description)
+        )
       )
     )
 
@@ -57,7 +57,7 @@ object HomePage extends AppCatalogPage:
           h2(year.toString),
           section(cls := "app-grid",
             apps.sortBy(_.name).map: appInfo =>
-              renderApp(appInfo)
+              renderApp(appInfo, classes="")
           )
       )
     )