Twig
https://github.com/ruden/twig-docs-ru
http://ruden.github.io/twig-docs-ru/
https://ruseller.com/lessons.php?id=1648
https://www.youtube.com/watch?v=4KfkV1T3bhE
https://yandex.ru/video/search?filmId=13682208235820642274&text=drupal%208%20twig
https://www.youtube.com/watch?v=0LZXaEqswkM&list=PLvPEqBMxxGDU_2p4pe2uXaWszFIKjnIAA
https://tfd7.rocks/Installation/index.html
Smaty
Своими руками o_O
https://www.youtube.com/watch?time_continue=616&v=FVRI_1E9y4Q