improve demo app

examples/demo/counter.js

@@ -1,14 +1,12 @@
-const template = `
+export class Counter extends odoo.core.Component {
+  inlineTemplate = `
     <div>
       <button t-on-click="increment(-1)">-</button>
       <span style="font-weight:bold">Value: <t t-esc="state.counter"/></span>
       <button t-on-click="increment(1)">+</button>
     </div>`;
-
-export class Counter extends odoo.core.Component {
   constructor(parent, props) {
     super(parent, props);
-    this.inlineTemplate = template;
     this.state = {
       counter: props.initialState || 0
     };