Better gallery

Replaced complex gallery with simple script
Slideshow loaded from images/gallery folder
Credits: https://www.w3schools.com/howto/howto_js_slideshow.asp

tools/css/gallery.css

@@ -0,0 +1,85 @@
+/* Slideshow container */
+.slideshow-container {
+	max-width: 1000px;
+	position: relative;
+	margin: auto;
+}
+
+/* Hide the images by default */
+.mySlides {
+	display: none;
+}
+
+/* Next & previous buttons */
+.prev, .next {
+	cursor: pointer;
+	position: absolute;
+	top: 50%;
+	width: auto;
+	margin-top: -22px;
+	padding: 16px;
+	color: white;
+	font-weight: bold;
+	font-size: 18px;
+	transition: 0.6s ease;
+	border-radius: 0 3px 3px 0;
+	user-select: none;
+}
+
+/* Position the "next button" to the right */
+.next {
+	right: 0;
+	border-radius: 3px 0 0 3px;
+}
+
+/* On hover, add a black background color with a little bit see-through */
+.prev:hover, .next:hover {
+	background-color: rgba(0,0,0,0.8);
+}
+
+/* Caption text */
+.text {
+	color: #f2f2f2;
+	font-size: 15px;
+	padding: 8px 12px;
+	position: absolute;
+	bottom: 8px;
+	width: 100%;
+	text-align: center;
+}
+
+/* Number text (1/3 etc) */
+.numbertext {
+	color: #f2f2f2;
+	font-size: 12px;
+	padding: 8px 12px;
+	position: absolute;
+	top: 0;
+}
+
+/* The dots/bullets/indicators */
+.dot {
+	cursor: pointer;
+	height: 15px;
+	width: 15px;
+	margin: 0 2px;
+	background-color: #bbb;
+	border-radius: 50%;
+	display: inline-block;
+	transition: background-color 0.6s ease;
+}
+
+.active, .dot:hover {
+	background-color: #717171;
+}
+
+/* Fading animation */
+.fade-effect {
+	animation-name: fade-effect;
+	animation-duration: 1.5s;
+}
+
+@keyframes fade-effect {
+	from {opacity: .4}
+	to {opacity: 1}
+}

tools/js/gallery.js

@@ -0,0 +1,28 @@
+let slideIndex = 1;
+showSlides(slideIndex);
+
+// Next/previous controls
+function plusSlides(n) {
+	showSlides(slideIndex += n);
+}
+
+// Thumbnail image controls
+function currentSlide(n) {
+	showSlides(slideIndex = n);
+}
+
+function showSlides(n) {
+	let i;
+	let slides = document.getElementsByClassName("mySlides");
+	let dots = document.getElementsByClassName("dot");
+	if (n > slides.length) {slideIndex = 1}
+	if (n < 1) {slideIndex = slides.length}
+	for (i = 0; i < slides.length; i++) {
+		slides[i].style.display = "none";
+	}
+	for (i = 0; i < dots.length; i++) {
+		dots[i].className = dots[i].className.replace(" active", "");
+	}
+	slides[slideIndex-1].style.display = "block";
+	dots[slideIndex-1].className += " active";
+}