Adding initial app framework

Change-Id: I0c53e3487eb3be1eefa2d0c7f260a90d82fd8844
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build