Adds fetch demo.

demos/js/package.json

@@ -5,6 +5,7 @@
 	"dependencies": {
 		"@hediet/node-reload": "0.7.3",
 		"@types/node": "^13.7.4",
+		"node-fetch": "^2.6.1",
 		"typescript": "^3.8.2"
 	},
 	"scripts": {

demos/js/src/demo_fetch.js

@@ -0,0 +1,7 @@
+const fetch = require("node-fetch");
+
+fetch("https://jsonplaceholder.typicode.com/users")
+    .then((response) => response.json())
+    .then((json) => {
+        debugger;
+    });

demos/js/yarn.lock

@@ -368,6 +368,11 @@ nise@^1.4.10:
     lolex "^4.1.0"
     path-to-regexp "^1.7.0"
 
+node-fetch@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
+  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
+
 normalize-path@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"