Get build working on all packages except example-app

Author: smithad15

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 dist
-lerna-debug.log
+lerna-debug.log
+yarn-debug.log

package.json

@@ -1,7 +1,12 @@
 {
-	"private": true,
-	"workspaces": ["packages/*"],
-	"devDependencies": {
-		"lerna": "2.11.0"
-	}
+  "private": true,
+  "workspaces": [
+    "packages/*"
+  ],
+  "scripts": {
+    "build": "lerna run build --ignore example-app"
+  },
+  "devDependencies": {
+    "lerna": "2.11.0"
+  }
 }