docs: update README file with a new example of syntax

README.md

@@ -54,16 +54,18 @@ open = "https://github.com/kremilly"
 
 compress = "folder.zip"
 
+covers = "covers/"
+
 print = "Hello, World!"
 
 style = "https://raw.githubusercontent.com/sindresorhus/github-markdown-css/main/github-markdown.css"
 
-readme = "https://gist.githubusercontent.com/Kremilly/5fd360d994bb0fe108b648d0e4c9e92f/raw/ac524eba2112bf0bdbac1ad27e24f78f678589ec/readme-example.html"
+readme = "https://gist.githubusercontent.com/Kremilly/5fd360d994bb0fe108b648d0e4c9e92f/raw/ac524eba2112bf0bdbac1ad27e24f78f678589ec/readme-example.md"
 
 downloads {
     https://arxiv.org/pdf/2405.01513 !ignore
     https://olacesar.com/e-books/protegido.pdf !ignore
-    https://raw.githubusercontent.com/facebook/react/main/README.html
+    https://raw.githubusercontent.com/facebook/react/main/README.md
     https://pt.wikisource.org/wiki/Manifesto_da_Guerrilha_do_Livre_Acesso !ignore
 }