Refactor: move src to folder (#63)

* move all source code to src/

* replace express response patch with middleware

* fix readdir not looking in src

* fix stray redirect

* add base to manifest

* remove secret.txt from src/config/secret

* add src/config/secret/secret.txt to gitignore

src/routes/manifest.json/index.js

@@ -0,0 +1,25 @@
+const express = require('express')
+
+module.exports = ({ config }) => {
+  const router = express.Router()
+
+  router.get('/', (req, res) => {
+    res.send({
+      name: config.siteTitle,
+      short_name: config.shortTitle,
+      background_color: 'white',
+      description: 'Sleek Wishlist App',
+      theme_color: '#dc5878',
+      start_url: '/',
+      display: 'standalone',
+      icons: [
+        {
+          sizes: '1280x1280',
+          src: `${_CC.config.base}img/logo.png`
+        }
+      ]
+    })
+  })
+
+  return router
+}