Added new kb article calendar-kb-customize-multiview-header#2625

dimodi merged 3 commits intomastertelerik/blazor-docs:masterfrom

new-kb-calendar-kb-customize-multiview-header-8ae51e1ab6ac48df9e18d71ed4e57bbetelerik/blazor-docs:new-kb-calendar-kb-customize-multiview-header-8ae51e1ab6ac48df9e18d71ed4e57bbeCopy head branch name to clipboard