* Add two new toasts examples
- Adds a new custom content example that removes the toast header and adds a custom close icon
- Adds docs for how to create your own color schemes
- Adds example of additional buttons
* Update toasts examples
- Remove span and place aria on SVG element
- Add .border-0 to color scheme example for crisper edges
* Update toasts.md
Co-authored-by: XhmikosR <xhmikosr@gmail.com>
