feat: scheme download feature.

api/lib/src/models/scheme.dart

@@ -111,6 +111,9 @@ abstract class _SchemeForDownload {
   @SerializableField(isNullable: false)
   String? get name;
 
+  @SerializableField(defaultValue: false, isNullable: false)
+  bool? get shared;
+
   @Column(type: ColumnType.text)
   String? description;
 
@@ -124,6 +127,7 @@ SchemeForDownload transSchemeForDownload(Scheme scheme) => SchemeForDownload(
       name: scheme.name,
       description: scheme.description,
       gestures: scheme.gestures,
+      shared: scheme.shared,
     );
 
 @serializable

app/lib/pages/local_manager.dart

@@ -80,7 +80,7 @@ class LocalManagerState extends State<LocalManager> {
         ..name = downloadedScheme.name
         ..description = downloadedScheme.description
         ..uploaded = true
-        ..fromMarket = true
+        ..fromMarket = downloadedScheme.shared == true
         ..gestures = (downloadedScheme.gestures ?? []).map(GestureProp.parse).toList();
     }
     newSchemes.add(newEntry);