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/webserver/tasks/main.yml

@@ -0,0 +1,31 @@
+# Copyright (C) 2019  Free I.T. Athens
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 3 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+
+- name: Install Apache2 Web Server
+  apt: name=apache2 state=present
+
+- name: Start Apache2 Web Server
+  service: name=apache2 state=started
+
+- name: Install PHP
+  apt: name=php state=present
+
+- name: Install PHP MySQL Extension
+  apt: name=php-mysql state=present
+  notify: Reload Apache2
+
+- name: Install MySQL Server
+  apt: name=mysql-server state=present
+