malformed regex in simple-banner.php breaks relative links by adding https://

hey, great job with the plugin. you might wanna consider applying this patch though:

--- simple-banner.orig	2023-11-30 15:19:16.056016000 +0000
+++ simple-banner.php	2023-11-30 15:18:26.371711000 +0000
@@ -648,7 +648,7 @@
 		var style_custom_button_css = document.createElement('style');
 
 		// Banner Text
-		var hrefRegex = /href\=[\'\"](?!http|https)(.*?)[\'\"]/gsi;
+		var hrefRegex = /href\=[\'\"](?!http|https)([^\/].*?)[\'\"]/gsi;
 		var scriptStyleRegex = /<(script|style)[^>]*?>.*?<\/(script|style)>/gsi;
 		function stripBannerText(string) {
 			let strippedString = string;