Updated interact methodology

Before, seeing exactly what number was on the chart required you to hover you mouse on the point exactly. Now, you can hover anywhere on the chart and it will tell you the the point closest to your mouse

src/index.js

@@ -51,6 +51,10 @@ function populateChart() {
             }]
         },
         options: {
+            interaction: {
+                intersect: false,
+                mode: "index"
+            },
             scales: {
                 x: {
                     type: 'time',