added a sample .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..e1074ea
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.gitignore
+*.o
+pihpsdr
+hpsdrsim
+*.props