message: make minify build options optional
diff: @@ -64,8 +64,8 @@ export interface ProjectBuildOptions {
  swPrecacheConfig?: string;
  insertPrefetchLinks?: boolean;
  bundle?: boolean;
  - html?: {minify: boolean};
  - css?: {minify: boolean};
  + html?: {minify?: boolean};
  + css?: {minify?: boolean};
  js?: {minify?: boolean, compile?: boolean};
  }
  