Add Foreground unit

src/bootstrap.ts

@@ -1,4 +1,4 @@
-import {Application, CommandLineApplication} from '@extollo/lib'
+import {Application, CommandLineApplication, Foreground} from '@extollo/lib'
 import {Units} from './Units.extollo'
 
 /*
@@ -38,6 +38,10 @@ export function cli(): Application {
  */
 export function app(): Application {
     const app = Application.getApplication()
-    app.scaffold(__dirname, Units)
+
+    const units = [...Units]
+    units.push(Foreground)
+
+    app.scaffold(__dirname, units)
     return app
 }