Moved announcement-bar to apps/

refs https://github.com/TryGhost/Toolbox/issues/594

- we're moving all the standalone apps to a separate folder to keep them
  out of the core code and easier to find

.github/dev.js

@@ -104,7 +104,7 @@ if (DASH_DASH_ARGS.includes('announcement-bar') || DASH_DASH_ARGS.includes('anno
     commands.push({
         name: 'announcement-bar',
         command: 'yarn dev',
-        cwd: path.resolve(__dirname, '../ghost/announcement-bar'),
+        cwd: path.resolve(__dirname, '../apps/announcement-bar'),
         prefixColor: '#DC9D00',
         env: {}
     });

.gitignore

@@ -141,7 +141,7 @@ Caddyfile
 /ghost/signup-form/playwright/.cache/
 
 # Announcement-Bar
-/ghost/announcement-bar/umd
+/apps/announcement-bar/umd
 
 # Build files
 /apps/*/build