Prepare CLI for move into mainline

packages/cli/src/assets/autoreload.js

@@ -0,0 +1,25 @@
+// Dioxus-CLI
+// https://github.com/DioxusLabs/cli
+
+(function () {
+  var protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+  var url = protocol + '//' + window.location.host + '/_dioxus/ws';
+  var poll_interval = 8080;
+  var reload_upon_connect = () => {
+      window.setTimeout(
+          () => {
+              var ws = new WebSocket(url);
+              ws.onopen = () => window.location.reload();
+              ws.onclose = reload_upon_connect;
+          },
+          poll_interval);
+  };
+
+  var ws = new WebSocket(url);
+  ws.onmessage = (ev) => {
+      if (ev.data == "reload") {
+          window.location.reload();
+      }
+  };
+  ws.onclose = reload_upon_connect;
+})()