Init snippet page and store

lib/data/model/server/snippet.dart

@@ -0,0 +1,30 @@
+import 'dart:convert';
+
+class Snippet {
+  late String name;
+  late String script;
+  Snippet(this.name, this.script);
+
+  Snippet.fromJson(Map<String, dynamic> json) {
+    name = json['name'].toString();
+    script = json['script'].toString();
+  }
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['name'] = name;
+    data['script'] = script;
+    return data;
+  }
+}
+
+List<Snippet> getSnippetList(dynamic data) {
+  List<Snippet> ss = [];
+  if (data is String) {
+    data = json.decode(data);
+  }
+  for (var t in data) {
+    ss.add(Snippet.fromJson(t));
+  }
+
+  return ss;
+}