[CORD-2188] Create xos-gui-builder as a shared base image for all the UI containers

Change-Id: I571a50634f1a601ffec838769375761ef760a768
diff --git a/.dockerignore b/.dockerignore
index 93f1361..86ee3aa 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,2 +1,8 @@
 node_modules
+typings
+coverage
+generator-xos-gui-extension
+docs
+.tmp
+.idea
 npm-debug.log