OZG-7324: Fix license header

.gitignore

client/backstop/run-backstop.js

client/cypress.config.js

client/cypress/e2e/checkComponentsDetailPage.cy.js

client/cypress/e2e/checkComponentsOverview.cy.js

client/cypress/e2e/checkTabTitle.cy.js

client/cypress/e2e/common.js

client/cypress/e2e/docker/docker-compose.yml

client/cypress/e2e/elements.cy.js

client/cypress/e2e/loginLogout.cy.js

client/cypress/e2e/spec-OZG-UI-detail_page.cy.js

client/cypress/e2e/spec-OZG-full-e2e.cy.js

client/cypress/support/commands.ts

client/cypress/support/e2e.ts

client/docker/Dockerfile

client/docker/docker-compose.yml

client/docker/docker_entrypoint.sh

client/docker/env_config.sh

client/docs/Dockerfile

client/docs/docker-compose.yml