Update WordPress.gitignore

Gitignore Htpasswd if your website contains password

WordPress.gitignore

@@ -35,6 +35,9 @@ wp-config.php
 # htaccess
 /.htaccess
 
+# htpasswd
+/.htpasswd
+
 # All plugins
 #
 # Note: If you wish to whitelist plugins,
@@ -45,4 +48,4 @@ wp-config.php
 #
 # Note: If you wish to whitelist themes,
 # uncomment the next line
-#/wp-content/themes
+#/wp-content/themes