Add .gitignore

Issue: INFRA-112
Change-Id: I200a307bdbe072234645d91e2d5618b918635b00
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..eea9339
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.retry
+*.log
+.vault_pass.txt