Fix "ReferenceError: data is not defined" error in getYAMLFileConfig (#472)

With the previous logic data would never be defined outside of the
try...catch block since const variables are block scoped.

Author: GrantASL19

x/examples/website-wrapper-app/wrapper_app_project/.scripts/config.mjs

@@ -25,14 +25,15 @@ export const DEFAULT_CONFIG = {
 export async function getYAMLFileConfig(filepath) {
   try {
     const data = await fs.readFile(filepath, 'utf8')
+    
+    if (data) {
+      return YAML.parse(data)
+    }
   } catch (e) {
     if ('ENOENT' == e.code) {
       return {}
     }
   }
-  if (data) {
-    return YAML.parse(data)
-  }
 }
 
 export function getCliConfig(args) {