add php-fpm template in case we need to adjust it

templates/etc/zabbix/php-fpm.conf.j2

@@ -0,0 +1,24 @@
+[zabbix]
+user = www-data
+group = www-data
+
+listen = /var/run/php/zabbix.sock
+listen.owner = www-data
+listen.allowed_clients = 127.0.0.1
+
+pm = dynamic
+pm.max_children = 50
+pm.start_servers = 5
+pm.min_spare_servers = 5
+pm.max_spare_servers = 35
+pm.max_requests = 200
+
+php_value[session.save_handler] = files
+php_value[session.save_path]    = /var/lib/php/sessions/
+
+php_value[max_execution_time] = 300
+php_value[memory_limit] = 128M
+php_value[post_max_size] = 16M
+php_value[upload_max_filesize] = 2M
+php_value[max_input_time] = 300
+php_value[max_input_vars] = 10000