Add YiiPress

Author: samdark

src/site/generators/yiipress.md

@@ -0,0 +1,17 @@
+---
+title: YiiPress
+repo: yiipress/engine
+homepage: https://yiipress.yiiframework.com/
+language:
+  - PHP
+license:
+  - BSD-3-Clause
+templates:
+  - PHP
+description: Fast full-featured file-based static website generator.
+---
+
+YiiPress is a fast full-featured file-based static website generator.
+
+It tries to keep generated content static including code syntax highlighting
+while staying fast and able to process thousands of content entries.