Serve the console's web manifest with its own MIME type

The host returns .webmanifest as application/octet-stream, so Chrome
declines to install the app and the new home-screen icons go unused.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GGfNkc8c2tte9v7ci1cMqD

Author: claude

.htaccess

@@ -0,0 +1,7 @@
+# Chrome will not install a web app if the manifest comes back as
+# application/octet-stream, which is what this host serves it as by default —
+# .webmanifest is not in cPanel's MIME table. Without this the home-screen
+# icons ship but never get used.
+<IfModule mod_mime.c>
+  AddType application/manifest+json .webmanifest
+</IfModule>