Add first version of the frontend

As of now the only usable functionality is signin in/out and managing
authorized users, and even then there is much room for improvement.

Change-Id: Ib87fc6866f69113a230187710de8644b78391917
diff --git a/frontend/Makefile b/frontend/Makefile
new file mode 100644
index 0000000..fc3d69e
--- /dev/null
+++ b/frontend/Makefile
@@ -0,0 +1,6 @@
+.PHONY: serve
+
+WEBPACK := ./node_modules/webpack-cli/bin/cli.js
+
+serve:
+	$(WEBPACK) serve --mode development