feat(pmap): added support for parametric map (#4284)

extensions/cornerstone-dicom-pmap/.webpack/webpack.dev.js

@@ -0,0 +1,12 @@
+const path = require('path');
+const webpackCommon = require('./../../../.webpack/webpack.base.js');
+const SRC_DIR = path.join(__dirname, '../src');
+const DIST_DIR = path.join(__dirname, '../dist');
+
+const ENTRY = {
+  app: `${SRC_DIR}/index.tsx`,
+};
+
+module.exports = (env, argv) => {
+  return webpackCommon(env, argv, { SRC_DIR, DIST_DIR, ENTRY });
+};