message: support tags in StructureBuilder.createStructure
diff: @@ -83,7 +83,7 @@ export class StructureBuilder {
  return unitcell.commit({ revertOnError: true });
  }
  - createStructure(modelRef: StateObjectRef<SO.Molecule.Model>, params?: RootStructureDefinition.Params, initialState?: Partial<StateTransform.State>) {
  + createStructure(modelRef: StateObjectRef<SO.Molecule.Model>, params?: RootStructureDefinition.Params, initialState?: Partial<StateTransform.State>, tags?: string | string[]) {
  const state = this.dataState;
  if (!params) {
  @@ -95,7 +95,7 @@ export class StructureBuilder {
  }
  const structure = state.build().to(modelRef)
  - .apply(StateTransforms.Model.StructureFromModel, { type: params || { name: 'assembly', params: { } } }, { state: initialState });
  + .apply(StateTransforms.Model.StructureFromModel, { type: params || { name: 'assembly', params: { } } }, { state: initialState, tags });
  return structure.commit({ revertOnError: true });
  }
  