feat (header) : add static meta description for SEO purpose

Author: firestar300

src/templates/partials/header.php

@@ -10,7 +10,7 @@
 		<meta http-equiv="x-ua-compatible" content="ie=edge">
 
 		<title>BeAPI FrontEnd Framework | The WordPress BFF</title>
-
+		<meta name="description" content="BeAPI FrontEnd Framework is a Front-end WordPress theme friendly boilerplate to help you to build your own WordPress theme with modern tools and a better productivity.">
 		<!-- Web App favicons from /assets/img/favicons/index_hd.html -->
 		<link rel="manifest" href="assets/img/favicons/manifest.json">
 		<meta name="mobile-web-app-capable" content="yes">