Support deno 1.3.x/0.67.0; replace handlebars with view_engine library

app/configs/app.config.ts

@@ -1,5 +1,27 @@
-import { env } from '../../lib/src/unit/Scaffolding.ts';
+import { env } from '../../lib/src/unit/Scaffolding.ts'
+import {ViewEngine} from '../../lib/src/const/view_engines.ts'
 
 export default {
     name: env('APP_NAME', 'Daton'),
+
+    views: {
+        /*
+         * View engine that should be used to render templates.
+         * Options are Handlebars, Ejs, or Denjuck.
+         */
+        engine: ViewEngine.Handlebars,
+
+        /*
+         * Relative path from the app directory to the base directory where
+         * view files should be looked up.
+         */
+        base_dir: 'http/views',
+
+        /*
+         * If using Handlebars, optionally, the path to the directory within the
+         * base_dir that contains the partials. They will be automatically registered
+         * with Handlebars.
+         */
+        partials_dir: 'partials',
+    },
 }