add tooltip bootstrap code example

Example 1: bootstrap 4 tooltip

// JQuery
$(function () {
  $('[data-toggle="tooltip"]').tooltip()
})

Example 2: how to show text at the time of hover in bootstrap

<div class="text-center my-3">
  <b-button v-b-tooltip.hover title="Tooltip directive content">
    Hover Me
  </b-button>

  <b-button id="tooltip-target-1">
    Hover Me
  </b-button>
  <b-tooltip target="tooltip-target-1" triggers="hover">
    I am tooltip <b>component</b> content!
  </b-tooltip>
</div>