Add server-wide languages

languages/language-flags.php

@@ -366,5 +366,15 @@
 		"uaonlinetalks+e529"                   => "🇺🇦",
 	);
 
+	// https://adult.oddch.at/
+	$server_languages[] = array(
+		"55e43f8010a820cf3a4ed50bff1916bd5f166148f2c8b4a9feb1088bc867291b"
+		                                       => "🇬🇧",
+	);
+
+	/**
+	 * @var string[] $languages
+	 * Array matching room identifier or server public key to language flag.
+	 */
 	$languages = array_merge(...$server_languages);
 ?>

php/servers/servers-rooms.php

@@ -152,10 +152,14 @@
 			global $languages;
 
 			$room_identifier = $this->get_room_identifier();
+			$server_pubkey = $this->server->get_pubkey();
 
-			return isset($languages[$room_identifier])
-				? $languages[$room_identifier]
-				: "";
+			if (isset($languages[$room_identifier])) {
+				return $languages[$room_identifier];
+			} elseif (isset($languages[$server_pubkey])) {
+				return $languages[$server_pubkey];
+			}
+			return "";
 		}
 
 		/**