add preact to package_data

setupbase.py

@@ -141,6 +141,9 @@ def find_package_data():
         pjoin(components, "jquery-ui", "themes", "smoothness", "jquery-ui.min.css"),
         pjoin(components, "jquery-ui", "themes", "smoothness", "images", "*"),
         pjoin(components, "marked", "lib", "marked.js"),
+        pjoin(components, "preact", "dist", "preact.min.js"),
+        pjoin(components, "preact-compat", "dist", "preact-compat.min.js"),
+        pjoin(components, "proptypes", "index.js"),
         pjoin(components, "requirejs", "require.js"),
         pjoin(components, "underscore", "underscore-min.js"),
         pjoin(components, "moment", "moment.js"),