Move learn gitlab code to ee

.rubocop_todo/gitlab/doc_url.yml

.rubocop_todo/gitlab/strong_memoize_attr.yml

.rubocop_todo/layout/first_hash_element_indentation.yml

.rubocop_todo/layout/line_length.yml

.rubocop_todo/rspec/context_wording.yml

.rubocop_todo/rspec/expect_in_hook.yml

.rubocop_todo/rspec/factory_bot/avoid_create.yml

.rubocop_todo/rspec/missing_feature_category.yml

.rubocop_todo/style/if_unless_modifier.yml

...ments/video_tutorials_continuous_onboarding_experiment.rb

app/helpers/invite_members_helper.rb

app/helpers/learn_gitlab_helper.rb

app/helpers/sidebars_helper.rb

config/routes/project.rb

...s/learn_gitlab/components/included_in_trial_indicator.vue

...s/pages/projects/learn_gitlab/components/learn_gitlab.vue

...cts/learn_gitlab/components/learn_gitlab_section_card.vue

...cts/learn_gitlab/components/learn_gitlab_section_link.vue

...avascripts/pages/projects/learn_gitlab/constants/index.js

...ts/javascripts/pages/projects/learn_gitlab/index/index.js