feat: implement PDF viewer with rendering, search, and outline functionality using pdfjs-dist

Author: JuliusBairaktaris

viewer/js/index.js

@@ -14,6 +14,7 @@ let pageRendering = false;
 let renderPending = false;
 let renderPendingZoom = 0;
 const canvas = document.getElementById("content");
+const container = document.getElementById("container");
 let orientationDegrees = 0;
 let zoomRatio = 1;
 let textLayerDiv = document.getElementById("text");