fixing bug in heatmap static file

Author: LCrossman

heatmap/static/index.html

@@ -20,7 +20,7 @@ <h1>Rust, Wasm & d3.js Heatmap</h1>
     <canvas id="heatmap" class="panzoom"></canvas>
 
     <script type="module">
-        import init, { start } from './pkg/wasm_heatmap.js';
+        import init, { start } from '/pkg/microBioRust_heatmap.js';
 
         async function run() {
             try {