Add option for public deployment without authentication (i.e. no cookies)

app.py

@@ -112,14 +112,15 @@ def download_for_browser(url, mode='audio', quality='high'):
     # Create temporary directory that persists until file is served
     temp_dir = Path(tempfile.mkdtemp())
     
-    # Convert cookie file to env and save locally
-    #cookie_file = "cookies.firefox-private.txt"
-    #env_content = cookies_to_env(cookie_file)
-    #save_to_env_file(env_content)
-
-    # Convert back to cookie file using .env
-    cookiefile = "firefox-cookies.txt"
-    env_to_cookies_from_env("firefox-cookies.txt")
+    if USE_FIREFOX_COOKIES == "True":
+        # Convert cookie file to env and save locally
+        #cookie_file = "cookies.firefox-private.txt"
+        #env_content = cookies_to_env(cookie_file)
+        #save_to_env_file(env_content)
+
+        # Convert back to cookie file using .env
+        cookiefile = "firefox-cookies.txt"
+        env_to_cookies_from_env("firefox-cookies.txt")
     
     try:
         # Configure download options