feat: add examples for isolated function tests

* feat: add ability to test functions in isolated-vm

* feat: provide `console` in isolated environment

* feat: provide `test` and `assert` for isolated function tests

* feat: support `globbing` isolated test files

* fix: drop _.isEqual for minified, vanilla code

* feat: add examples for isolated function tests

assets/app-functions/templates/test/helpers.js

@@ -0,0 +1,3 @@
+const gql = async (query) => {
+  return [{ id: 1, name: 'Bruce Wayne' }];
+};

assets/app-functions/templates/test/say-hello.test.js

@@ -0,0 +1,4 @@
+test('sayHello 1.0', async () => {
+  const output = await $app['sayHello 1.0']({ name: 'Bruce' });
+  assert(output, { greet: 'Hello, Bruce' });
+});