added error and not-implemented pages and placeholder ad graphic

errors.go

@@ -0,0 +1,26 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+// Package main contains the high-level Amsterdam logic.
+package main
+
+import "git.erbosoft.com/amy/amsterdam/ui"
+
+/* NotImplPage is used for all TODO links, to show that something hasn't yet been implemented.
+ * Parameters:
+ *     ctxt - The AmContext for the request.
+ * Returns:
+ *     Command string dictating what to be rendered.
+ *     Data as a parameter for the command string.
+ *     Standard Go error status.
+ */
+func NotImplPage(ctxt ui.AmContext) (string, any, error) {
+	ctxt.VarMap().Set("amsterdam_pageTitle", "Function Not Implemented")
+	ctxt.VarMap().Set("path", ctxt.URLPath())
+	return "framed_template", "notimpl.jet", nil
+}