make variables bold

README.md

 
 ## Variables (in defaults)
 
-* apache_listen_ips - default value:
+* **apache_listen_ips** - default value:
   * 0.0.0.0:80
   * 0.0.0.0:443
-* apache_remove_default_vhost - default value: false
-* apache_mods_enabled - default value:
+* **apache_remove_default_vhost** - default value: false
+* **apache_mods_enabled** - default value:
   * rewrite
   * ssl
-* apache_extra_mods_enabled - default value: empty list
-* apache_mods_disabled - default value: empty list
-* apache_state - default value: started
-* apache_service - default value: apache2
-* apache_server_root - default value: /etc/apache2
-* apache_conf_path - default value: /etc/apache2
-* apache_default_vhost_filename - default value: 000-default.conf
-* apache_packages - default value:
+* **apache_extra_mods_enabled** - default value: empty list
+* **apache_mods_disabled** - default value: empty list
+* **apache_state** - default value: started
+* **apache_service** - default value: apache2
+* **apache_server_root** - default value: /etc/apache2
+* **apache_conf_path** - default value: /etc/apache2
+* **apache_default_vhost_filename** - default value: 000-default.conf
+* **apache_packages** - default value:
   * apache2
   * apache2-utils
-* apache_extr_packages - default value: empty list
+* **apache_extr_packages** - default value: empty list
 
 
 ## Example playbook
 
 
-## role philosophy
+## Role philosophy