Fix error pages

server/router/pages/components/head.templ

@@ -13,6 +13,16 @@ templ Head() {
 		<link rel="stylesheet" href="/css/tailwind.css"/>
 		<meta name="viewport" content="width=device-width, initial-scale=1"/>
 		<meta name="theme-color" content="#091833"/>
+		<meta
+			name="htmx-config"
+			content='{
+				"responseHandling": [
+						{ "code": "204", "swap": false },
+						{ "code": "[23]..", "swap": true },
+						{ "code": "[45]..", "swap": true, "error": true }
+				]
+			}'
+		/>
 		<script src="/js/htmx.js" integrity="sha384-Xh+GLLi0SMFPwtHQjT72aPG19QvKB8grnyRbYBNIdHWc2NkCrz65jlU7YrzO6qRp" crossorigin="anonymous"></script>
 		if ctx.Value(c.EnvContextKey) == "development" {
 			<script defer src="/js/hotreload.js"></script>