New: Delete button

coscine/issues#1036

src/components/Buttons/Delete.vue

+<template>
+  <b-button class="coscine_delete" @click="deleteItem">{{ btnText }}</b-button> 
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import BootstrapVue from 'bootstrap-vue';
+Vue.use(BootstrapVue);
+
+export default Vue.extend({
+  name: 'CoscineDelete',
+  props: {
+    btnText: {
+      default: 'Delete',
+      type: String,
+    },
+  },
+  methods: {
+    deleteItem() {
+      this.$emit('delete');
+    },
+  },
+});
+</script>
+<style scoped>
+.coscine_delete:hover {
+  /*background-color: #9b0517; */
+  background-color: #cc071e;
+  border-color: #8e0515;
+  color: #ffffff;
+}
+</style>
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