4.4.1: update version everywhere, fix DOMPurify initialization

- Bump version to 4.4.1
- DOMPurify now initialized with window context (fixes markdown rendering)
- Add 'it' to eslint globals

Amit Haridas

src/renderer.js

@@ -1,6 +1,6 @@
 /**
  * MarkdownConverter Renderer Process
- * @version 4.3.0
+ * @version 4.4.1
  */
 
 const { ipcRenderer } = require('electron');