Added new kb article fileselect-blazor-initial-files#2897

xristianstefanov merged 6 commits intomastertelerik/blazor-docs:masterfrom

new-kb-fileselect-blazor-initial-files-e216f80fbf754aa38b9d39996ec0e2eetelerik/blazor-docs:new-kb-fileselect-blazor-initial-files-e216f80fbf754aa38b9d39996ec0e2eeCopy head branch name to clipboard