Update README.md

README.md

 # Dark THEME LIBRENMS
 
 dark theme for librenms based on mono theme from librenms
+
+/* INSTALLATION ADD THIS BELOW TO YOUR CONFIG.PHP */
+
+/* SEEE MORE @ https://github.com/librenms/librenms/blob/master/includes/defaults.inc.php */
+/*
+
+### DARK MODE
+// rtext color graph
+$config['rrdgraph_def_text_color'] = 'ffffff';
+
+// Set to TRUE if you want to display the 95% based on the highest value. (aka real 95%)
+$config['overlib_defaults'] = ",FGCOLOR,'#fff', BGCOLOR, '#000', BORDER, 5, CELLPAD, 4, CAPCOLOR, '#555555', TEXTCOLOR, '#ffffff'";
+
+// Set this to false if you want to disable the mouseover popup graphs
+$config['web_mouseover']    = false;
+
+### custom style
+# uncomment line below and replace the logo with yours
+# $config['title_image'] = "images/custom/librenms_logo_light_ck.png";
+# Create a sub dir in html/css folder and create a css files
+$config['webui']['custom_css'][]       = "css/custom/styles.css";
+
+### https://docs.librenms.org/Support/Configuration/#webui-settings
+## this add style is based on mono theme
+$config['site_style']       = "mono";
+*/