Update Ghost CMS Example: Accept-Version Header API requirement, typo (#37737)

* Update next.config.js

Fix typo on next config

* Update api.js

Update Ghost's content-api version `Accept-Version: v{major}.{minor}` requirement

Co-authored-by: JJ Kasper <jj@jjsweb.site>

Author: Frankie

examples/cms-ghost/lib/api.js

@@ -7,7 +7,7 @@ const GHOST_API_KEY = process.env.GHOST_API_KEY || GHOST_API_KEY_DEFAULT
 const api = new GhostContentAPI({
   url: GHOST_API_URL,
   key: GHOST_API_KEY,
-  version: 'v3',
+  version: 'v3.0',
 })
 
 const is404 = (error) => /not found/i.test(error.message)

examples/cms-ghost/next.config.js

@@ -1,5 +1,5 @@
 module.exports = {
   images: {
-    domains: ['static.gotsby.org'],
+    domains: ['static.ghost.org'],
   },
 }