move helpers into dedicated folders

hooks/post_gen_project.py

...e_base_name}}/helpers/buildconfig/_builtin_build_args.tpl

...e_name}}/helpers/buildconfig/_builtin_build_resources.tpl

...ase_name}}/helpers/buildconfig/_builtin_build_secrets.tpl

...se_name}}/helpers/buildconfig/_builtin_build_triggers.tpl

...late_base_name}}/helpers/deployment/_builtin_affinity.tpl

...ate_base_name}}/helpers/deployment/_builtin_resources.tpl

...template_base_name}}/helpers/deployment/_pod_template.tpl