Add Modal header shorthand

This release adds the header prop to Modal, which lets you create simple Modals without needing to add ModalHeader and ModalBody.

Correct console warning for Tooltip/Popover/Modal container prop

Corrects #262

Sveltestrap 4

Major version release due to some potentially breaking changes:

• Icon now requires apps to include bootstrap-icon CSS from CDN or self-hosted.
• Update minimum svelte version to 3.29 for {#key} usage
• Uncontrolled Alert/Collapse/Dropdown/Fade/ButtonDropdown are now deprecated with functionality moved into base components.
• Modal external render location was moved/corrected.
• Popover, Tooltip, Modal now append to body by default
• node 10 is unsupported (untested)

Additions:

• Modal body prop for easier usage.
• Popover, Tooltip, Modal now append to body by default or can be inline with new container prop.
• node 16 is supported/tested

Correct Tooltips, Popover & Dropdowns

This release corrects Tooltips and Popovers issue with popperjs imports (#250).
Also corrects issue with Dropdown handlers not being removed when destroyed (#249)

Revert Modal updates

Reverts Modal body rendering changes mistakenly introduced in v3 codebase

Correct es module issue with Sveltekit

Removes lodash dependency for better Sveltekit support

Add Row cols support

This release adds support for the Row cols prop: https://getbootstrap.com/docs/4.6/layout/grid/#row-columns

Thanks @ladeiko for the addition.

Correct TypeScript definitions

This release corrects missing TypeScript definitions for Icon, Popover, Tooltip, & UncontrolledFade

Correct Popover typo

Rename Popover dismissible prop to dismissible.

Add Icon, dismissable Popover

This release adds Icon component for embedding Bootstrap Icons.

Also Popover now supports dismissable prop for click-outside support.