Fix federated module example

The running extension has changed and gives errors now. Also, now since the markdownviewer is not supplied by the system, we take it out of the resolutions.

examples/federated/core_package/package.json

@@ -55,7 +55,6 @@
     "@jupyterlab/logconsole-extension": "~3.0.0-alpha.11",
     "@jupyterlab/mainmenu": "~3.0.0-alpha.11",
     "@jupyterlab/mainmenu-extension": "~3.0.0-alpha.11",
-    "@jupyterlab/markdownviewer": "~3.0.0-alpha.11",
     "@jupyterlab/markdownviewer-extension": "~3.0.0-alpha.11",
     "@jupyterlab/mathjax2": "~3.0.0-alpha.11",
     "@jupyterlab/mathjax2-extension": "~3.0.0-alpha.11",
@@ -140,7 +139,6 @@
     "@jupyterlab/notebook-extension": "^3.0.0-beta.5",
     "@jupyterlab/pdf-extension": "^3.0.0-beta.5",
     "@jupyterlab/rendermime-extension": "^3.0.0-beta.5",
-    "@jupyterlab/running-extension": "^3.0.0-beta.5",
     "@jupyterlab/settingeditor-extension": "^3.0.0-beta.5",
     "@jupyterlab/shortcuts-extension": "^3.0.0-beta.5",
     "@jupyterlab/statusbar-extension": "^3.0.0-beta.5",
@@ -245,7 +243,6 @@
       "@jupyterlab/mathjax2-extension": "",
       "@jupyterlab/notebook-extension": "",
       "@jupyterlab/rendermime-extension": "",
-      "@jupyterlab/running-extension": "",
       "@jupyterlab/settingeditor-extension": "",
       "@jupyterlab/shortcuts-extension": "",
       "@jupyterlab/statusbar-extension": "",

examples/federated/core_package/webpack.config.js

@@ -77,7 +77,8 @@ if (process.env.NODE_ENV === 'production') {
 
 module.exports = [
   merge(baseConfig, {
-    entry: ['./publicpath.js', './'+path.relative(__dirname, entryPoint)],
+    mode: 'development',
+    entry: ['./publicpath.js', './' + path.relative(__dirname, entryPoint)],
     output: {
       path: buildDir,
       library: {