historical ohlc support, edit tvWidget to enable.

src/charts/chart.js

@@ -1,5 +1,6 @@
 import {useChartOrderStore} from "@/orderbuild.js";
 import {invokeCallbacks, prototype} from "@/common.js";
+import datafeed from "./datafeed.js";
 
 export let widget = null
 export let chart = null
@@ -29,9 +30,11 @@ export function initWidget(el) {
         // debug: true,
         autosize: true,
         symbol: 'AAPL',
+        // symbol: 'Bitfinex:BTC/USD', // use this for ohlc
         interval: '1D',
         container: el,
         datafeed: new Datafeeds.UDFCompatibleDatafeed("https://demo-feed-data.tradingview.com"),
+        // datafeed: datafeed, // use this for ohlc
         locale: "en",
         disabled_features: [],
         enabled_features: [],