coverage: Add the missing files

The files weren't included due to git and gitignore.

Also add a README.md to reproduce the test.

Change-Id: Ifcdffaca32c369b2ff5fb82e246fa0cad87813f5
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 9 insertions, 0 deletions

diff --git a/coverage/README.md b/coverage/README.md
new file mode 100644
index 00000000..def86b05
--- /dev/null
+++ b/coverage/README.md
@@ -0,0 +1,9 @@
+
+How to do test coverage?
+========================
+
+```bash
+cd coverage
+make report
+xdg-open report/index.html
+```