Middleware+View+UserState: Add toast messages

Public/js/site.js

@@ -0,0 +1,14 @@
+// Activate Bootstrap tooltips
+const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]')
+const tooltipList = [...tooltipTriggerList].map(element => new bootstrap.Tooltip(element))
+
+// -----------------------------------------
+// HTMX events
+
+function runOnceAfterSettle(func) {
+	// https://htmx.org/docs/#request-operations
+	document.addEventListener("htmx:afterSettle", function handler(event) {
+        func();
+        document.removeEventListener("htmx:afterSwap", handler);
+    });
+}