frontend: add program

frontend/src/App.tsx

@@ -1,13 +1,17 @@
 import './App.css'
 import Greeting from './components/Greeting'
 import Hosting from './components/Hosting'
+import NameSelector from './components/NameSelector'
+import Program from './components/Program'
 
 function App() {
   return (
     <>
+      <NameSelector/>
       <Greeting/>
       <br/>
       <Hosting/>
+      <Program/>
     </>
   )
 }