feat: new pgc rank

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/bangumi/pgc_rank/icon_font.dart

@@ -0,0 +1,16 @@
+class IconFont {
+  String? name;
+  String? text;
+
+  IconFont({this.name, this.text});
+
+  factory IconFont.fromJson(Map<String, dynamic> json) => IconFont(
+        name: json['name'] as String?,
+        text: json['text'] as String?,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'name': name,
+        'text': text,
+      };
+}