Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/load-yaml-file/index.js

@@ -0,0 +1,11 @@
+'use strict'
+
+const fs = require('graceful-fs')
+const pify = require('pify')
+const stripBom = require('strip-bom')
+const yaml = require('js-yaml')
+
+const parse = data => yaml.safeLoad(stripBom(data))
+
+module.exports = fp => pify(fs.readFile)(fp, 'utf8').then(data => parse(data))
+module.exports.sync = fp => parse(fs.readFileSync(fp, 'utf8'))