fix missing file that caused tests to fail

Author: yochannah

__tests__/app.js

@@ -5,12 +5,25 @@ const helpers = require("yeoman-test");
 
 describe("generator-biojs-webcomponents:app", () => {
   beforeAll(() => {
-    return helpers
-      .run(path.join(__dirname, "../generators/app"))
-      .withPrompts({ someAnswer: true });
+    return helpers.run(path.join(__dirname, "../generators/app")).withPrompts({
+      someAnswer: true
+    });
   });
 
-  it("creates files", () => {
-    assert.file(["dummyfile.txt"]);
+  it("creates expected files", () => {
+    assert.file([
+      "examples/index.html",
+      "src/index.js",
+      "src/style.less",
+      ".gitignore",
+      "index.html",
+      "package.json",
+      "README.md",
+      "TODO.md",
+      "webpack.config.js"
+    ]);
+  });
+  it("initialises server script", () => {
+    assert.file(["dev/serve.js"]);
   });
 });

generators/app/index.js

@@ -118,6 +118,11 @@ module.exports = class extends Generator {
       this.destinationPath(".gitignore")
     );
 
+    this.fs.copyTpl(
+      this.templatePath("TODO.md"),
+      this.destinationPath("TODO.md")
+    );
+
     this.fs.copyTpl(
       this.templatePath("img/favicon.png"),
       this.destinationPath("img/favicon.png")