Refine launcher navigation and install list

app/assets/js/scripts/library.js

@@ -394,6 +394,10 @@ document.getElementById('libraryOpenInstallButton').addEventListener('click', as
     switchView(getCurrentView(), VIEWS.install)
 })
 
+document.getElementById('libraryBackButton').addEventListener('click', () => {
+    switchView(getCurrentView(), VIEWS.landing)
+})
+
 document.getElementById('libraryOpenSettingsButton').addEventListener('click', async () => {
     await prepareSettings()
     switchView(getCurrentView(), VIEWS.settings)