Move artworks folder to 'doc' directory

README.md

@@ -1,6 +1,6 @@
 
 <!--- # <img src="res/20231119165006-100.png" width="100"> ELFIO -->
-# ![Alt text](res/20231119165006-100.png "ELFIO") ![Alt text](res/title.png "ELFIO")
+# ![Alt text](doc/images/res/20231119165006-100.png "ELFIO") ![Alt text](doc/images/res/title.png "ELFIO")
 
 ![C/C++ CI](https://github.com/serge1/ELFIO/workflows/C/C++%20CI/badge.svg)
 ![CodeQL](https://github.com/serge1/ELFIO/workflows/CodeQL/badge.svg)