Initial commit of PHP role

- Added packages needed to run Wordpress on main ONF website

Change-Id: Id810213e5cd3696310780a4b6799b471501d2184
diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..79bce93
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,16 @@
+---
+# php defaults/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+# PHP related settings
+php_service: "php7.4-fpm"
+
+# Packages required for Wordpress and ONF Website
+php_packages:
+  - "php7.4-fpm"
+  - "php7.4-curl"
+  - "php7.4-gmagick"
+  - "php7.4-mysql"
+  - "php7.4-xml"