Fix scroll index out-of-bounds bug

src/components/home/index.tsx

@@ -61,7 +61,7 @@ const Home: React.FC = () => {
     }
 
     const handleScrollDown = () => {
-        if (currentContent >= content.length) {
+        if (currentContent >= content.length - 1) {
             return
         }
         handleScrollToContent(currentContent + 1)()
@@ -72,7 +72,7 @@ const Home: React.FC = () => {
     }
 
     const handleWheel = (event: React.WheelEvent) => {
-        if (event.altKey || event.ctrlKey) {
+        if (event.altKey || event.ctrlKey || event.shiftKey) {
             return
         }