add function to get marketprices using fetch

index.js

@@ -0,0 +1,24 @@
+const fetch = require("node-fetch");
+
+const marketAPI = "https://www.simcompanies.com/api/v1/market-ticker/";
+
+var date = new Date();
+//don't ask me why, but simcompanies uses yesterday to get the values for today...
+date.setDate(date.getDate() - 1);
+
+const url = marketAPI + date.toISOString() + "/";
+
+//function to get marketprices from API:
+const getData = async url => {
+    var marketData = await fetch(url);
+    if (marketData.status === 200) {
+        marketData = await marketData.text();
+        marketData = await JSON.parse(marketData);
+        return marketData;
+    } else {
+        console.error("fetch returned status code " + marketData.status);
+        return false;
+    }
+}
+
+getData(url);