UX changes to improve the visibility of skills related features in hr applications: - install skills by default with HR - custom button for skills history - new skills demo data - inline create for skill type form - better skill add ux for employee - no skills --> redirect to skill types form task 3334909 closes odoo/odoo#122509 Related: odoo/upgrade#4848 Related: odoo/enterprise#43235 Signed-off-by: Sofie Gvaladze (sgv) <sgv@odoo.com>