Renamed new.php to admin.php, fixed redirects

README.md

@@ -7,7 +7,7 @@ PHP web UI for publishing and managing MVLog videos on **bubulescu.org**.
 - Web root: `/var/www/html/mvlog`
 - Public URLs:
   - `https://bubulescu.org/`
-  - `https://bubulescu.org/new.php`
+  - `https://bubulescu.org/admin.php`
   - `https://bubulescu.org/login.php`
   - `https://bubulescu.org/feed.php`
   - `https://bubulescu.org/contact.php`
@@ -15,7 +15,7 @@ PHP web UI for publishing and managing MVLog videos on **bubulescu.org**.
 ## Main structure
 
 - `index.php` — public landing page (rendered videos and permalink pages)
-- `new.php` — authenticated admin UI
+- `admin.php` — authenticated admin UI
 - `feed.php` — RSS feed
 - `contact.php` — contact form
 - `auth.php` — session auth helpers
@@ -46,7 +46,7 @@ Important dirs:
 - Video posters are resolved from the source image recorded in the thumbnail sidecar JSON; if the source image is missing, the `<video>` gets no poster
 - Permalink OG/Twitter images use `out-dir/<article_id>_og.jpg` when present; otherwise they fall back to `https://bubulescu.org/assets/img/bubulescuorg.jpg`
 
-## Admin (`new.php`)
+## Admin (`admin.php`)
 
 Requires login via PHP session.