Add more bindings for AVFormatContext data. Add Overview page in Vue. Add required CORS headers for supporting SharedArrayBuffer in Firefox.

www/src/components/Overview.vue

@@ -0,0 +1,39 @@
+<template>
+  <div>
+    <h4>AVContext Info</h4>
+    <b-table stacked :items="items"></b-table>
+
+    <h4>AVContext Streams</h4>
+    <b-table striped hover :items="streams"></b-table>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'Overview',
+  props: ['info'],
+  computed: {
+      streams() {
+          const s = [];
+          for (let i = 0; i < this.info.streams.size(); i++) {
+              s.push(this.info.streams.get(i));
+          }
+          return s;
+      }
+  },
+  data() {
+    return {
+      items: [
+        {
+          name: this.info.name,
+          duration: this.info.duration,
+          bit_rate: this.info.bit_rate,
+          url: this.info.url,
+          nb_streams: this.info.nb_streams,
+          flags: this.info.flags,
+        },
+      ]
+    }
+  }
+}
+</script>