add a hint component

docs/src/components/Hint/index.vue

@@ -0,0 +1,17 @@
+<template>
+  <div :class="`hint hint--${type}`">
+    <slot />
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    type: {
+      type: String,
+    }
+  }
+}
+</script>
+
+<style lang="scss" src="./style.scss" scoped></style>

docs/src/components/Hint/style.scss

@@ -0,0 +1,10 @@
+.hint {
+  padding: 1rem;
+  border: 2px solid rgba($colorBlack, 0.1);
+  border-radius: 0.25rem;
+
+  &--warning {
+    border-color:#ffd8a8;
+    background-color: #fff4e6;
+  }
+}