Update actions in CI pipeline.

Make elteiktdk template depend on the elteikthesis template. Updated …

…file names to satisfy CTAN package requirements.

Version 1.5

Extend docs. New version 1.4.

Move the include of language packages earlier in the class file, befo…

…re any text with Hungarian characters.

Extended README. Added English version of README.

Added examples on package usages.

Typo fix.