fetch emoji list from gemoji for a more complete emoji list

lib/models/emoji.dart

@@ -0,0 +1,17 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+part "emoji.freezed.dart";
+part "emoji.g.dart";
+
+@freezed
+abstract class Emoji with _$Emoji {
+  const factory Emoji({
+    required String emoji,
+    required String category,
+    required IList<String> aliases,
+    required String description,
+    required IList<String> tags,
+  }) = _Emoji;
+
+  factory Emoji.fromJson(Map<String, Object?> json) => _$EmojiFromJson(json);
+}