Added webserver and wordpress roles

Added a basic LAMP stack role called webserver then I added a
wordpress role that sets up a basic wordpress configuration.

roles/wordpress/templates/wordpress.conf.j2

@@ -0,0 +1,11 @@
+<VirtualHost *:80>
+	ServerName {{ wp_domain }}
+
+	ServerAdmin {{ wp_admin_email }}
+	DocumentRoot {{ wp_dir }}/public_html
+    
+	ErrorLog {{ wp_dir }}/logs/error.log
+	CustomLog {{ wp_dir }}/logs/access.log combined
+</VirtualHost>
+
+# vim: syntax=apache ts=4 sw=4 sts=4 sr noet

roles/wordpress/templates/wp-config.php.j2

@@ -0,0 +1,64 @@
+<?php
+
+define('DB_NAME', '{{ wp_db_name }}');
+
+/** The name of the database for WordPress */
+/** MySQL database username */
+define('DB_USER', '{{ wp_db_user }}');
+
+/** MySQL database password */
+define('DB_PASSWORD', '{{ wp_db_pass }}');
+
+/** MySQL hostname */
+define('DB_HOST', '{{ wp_db_host }}');
+
+/** Database Charset to use in creating database tables. */
+define('DB_CHARSET', 'utf8mb4');
+
+/** The Database Collate type. Don't change this if in doubt. */
+define('DB_COLLATE', '');
+
+/**#@+
+ * Authentication Unique Keys and Salts.
+ *
+ * Change these to different unique phrases!
+ * You can generate these using the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}
+ * You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
+ *
+ * @since 2.6.0
+ */
+{{ salts.content | b64decode }}
+
+/**#@-*/
+
+/**
+ * WordPress Database Table prefix.
+ *
+ * You can have multiple installations in one database if you give each
+ * a unique prefix. Only numbers, letters, and underscores please!
+ */
+$table_prefix  = '{{ wp_db_table_prefix }}';
+
+/**
+ * For developers: WordPress debugging mode.
+ *
+ * Change this to true to enable the display of notices during development.
+ * It is strongly recommended that plugin and theme developers use WP_DEBUG
+ * in their development environments.
+ *
+ * For information on other constants that can be used for debugging,
+ * visit the Codex.
+ *
+ * @link https://codex.wordpress.org/Debugging_in_WordPress
+ */
+define('WP_DEBUG', false);
+
+/* That's all, stop editing! Happy blogging. */
+
+/** Absolute path to the WordPress directory. */
+if ( !defined('ABSPATH') )
+	define('ABSPATH', dirname(__FILE__) . '/');
+
+/** Sets up WordPress vars and included files. */
+require_once(ABSPATH . 'wp-settings.php');
+