feat: add chapter 2 content and navigation metadata

Author: thinkingjimmy

src/content/the-last-economy/_meta.js

@@ -4,5 +4,8 @@ export default {
   },
   'chapter-1': {
     title: 'Chapter 1'
+  },
+  'chapter-2': {
+    title: 'Chapter 2'
   }
 }