Canvas: build application infrastructure with drag and drop

Change-Id: I5cfd12e67794f3376c5c025af29470d52d77cf16
diff --git a/apps/canvas/server/.gitignore b/apps/canvas/server/.gitignore
new file mode 100644
index 0000000..11ddd8d
--- /dev/null
+++ b/apps/canvas/server/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+# Keep environment variables out of version control
+.env