started work on slideshow code

pages/Gallery.js

@@ -0,0 +1,31 @@
+class slide{
+    constructor(title, caption, image){
+        this.title = title;
+        this.caption = caption;
+        this.image = image;
+    }
+}
+
+var currentSlide = 0;
+var slides = []
+
+
+function nextSlide(){
+    currentSlide++;
+    updateSlide();
+}
+
+function lastSlide(){
+    currentSlide--;
+    updateSlide();
+}
+
+function updateSlide(){
+    if (currentSlide > slides.length){
+        currentSlide = 0;
+    } else if (currentSlide < 0){
+        currentSlide = slides.length;
+    }
+
+    console.log(currentSlide);
+}