Initial hello-world program.

Change-Id: Iaf532290dcde6118eec31d3b5283908cc552335e
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a468ad2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+hello-world-ng
+*~
+*.o