add reusable modal component

src/components/modal/modal.vue

@@ -0,0 +1,29 @@
+<template>
+  <div
+    v-body-scroll-lock="true"
+    @click.self="closeModal"
+    class="modal-view"
+  >
+    <slot />
+  </div>
+</template>
+
+<script>
+export default {
+  methods: {
+    closeModal () {
+      this.$emit('close')
+    }
+  }
+}
+</script>
+
+<style lang="scss">
+
+.modal-view {
+  body:not(.scroll-locked) & {
+    display: none;
+  }
+}
+
+</style>