Add sendEmails util

An util used to send emails to participants regarding the game.

Change-Id: Ibe557ad2888497a883f20841817658478ac6ccdf
diff --git a/utils/.gitignore b/utils/.gitignore
new file mode 100644
index 0000000..7aa99c1
--- /dev/null
+++ b/utils/.gitignore
@@ -0,0 +1,2 @@
+vendor
+config.php