Rename Cytro to Fenom

docs/usage.md

@@ -0,0 +1,20 @@
+Basic usage
+===========
+
+### Creating template engine
+
+```php
+$fenom = Fenom::factory('/path/to/templates', '/path/to/template/cache', $options);
+
+//or
+
+$fenom = new Fenom(new FSProvider('/path/to/templates'));
+$fenom->setCompileDir('/path/to/template/cache');
+$fenom->setOptions($options);
+```
+
+### Output template result
+
+```php
+$fenom->display("template/name.tpl", $vars);
+```