bs4Dash 2.3.0

bs4Dash 2.3.0

New feature

New navbar navigation menu.

• navbarTab(), navbarMenu() and updateNavbarTabs() to create navbar navigation.
  This will close #108.

Minor change

• New dropdownHeader() function to display Bootstrap 4 dropdown headers.
• Adjust dropdownDivider() as it was invisible.
• tabItems() has .list parameter to pass tabItem() elements as list.
• Fix #342: better title alignment in tabBox(). Increase padding for card with pills. Thanks @HugoGit39
  for reporting.

Bug fixes

• Fix #349: allow to pass list of accordionItem() with .list parameter in accordion(). Thanks @vladimirstroganov for reporting.
• Fix #330: allow to use input elements (or any not menuItem element) in the sidebar.
• Fix #343: Refine help parameter behavior in dashboardPage(). If NULL, no icon is shown. If FALSE, icon and toggle are shown but not checked. If TRUE the toggle is checked.

Internal

• Change dark/light switch CSS class for consistency.