Add example of .valid-feedback, .valid-tooltip and .invalid-tooltip
Created by: ysds
The example of .valid-feedback
, .valid-tooltip
and .invalid-tooltip
does not seem to be in the document. Should we add these examples? especially it would be useful to clarify how to use invalid/valid-tooltip. Thanks.
Related SCSS: https://github.com/twbs/bootstrap/blob/8df34b075a1ffffcc90d37fc44fac07c4c5d5791/scss/mixins/_forms.scss#L31-L51