Install: https://icons.getbootstrap.com/ As a font face
yarn add bootstrap-icons
Then update application.scss
@import "bootstrap-icons/font/bootstrap-icons";
@font-face {
font-family: "bootstrap-icons";
src: font-url("bootstrap-icons/font/fonts/bootstrap-icons.woff2") format("woff2"),
font-url("bootstrap-icons/font/fonts/bootstrap-icons.woff") format("woff");
}
You can use <i class="bi bi-plus-circle"></i>
after!