Add toast component documentation

- Add documentation that describes when and how to use a toast message
with code snippets
- Add an informational toast method in the BVToastMixin
- Add BVToastMixin to enhaceApp to register mixin globally.

Signed-off-by: Derick Montague <derick.montague@ibm.com>
Change-Id: I89bf2aa8b3fdb9294354a80c98ccf692b6e3615a
diff --git a/docs/.vuepress/components/BmcToasts.vue b/docs/.vuepress/components/BmcToasts.vue
new file mode 100644
index 0000000..15a480f
--- /dev/null
+++ b/docs/.vuepress/components/BmcToasts.vue
@@ -0,0 +1,36 @@
+<template>
+    <div>
+        <b-button variant="success" @click="makeSuccessToast()">Show Success</b-button>
+        <b-button variant="danger" @click="makeErrorToast()">Show Error</b-button>
+        <b-button variant="warning" @click="makeWarningToast()">Show Warning</b-button>
+        <b-button variant="info" @click="makeInfoToast()">Show Info</b-button>
+    </div>
+</template>
+
+<script>
+import BVToastMixin from '../../../src/components/Mixins/BVToastMixin';
+export default {
+    name: 'BmcToasts',
+    mixins: [BVToastMixin],
+    methods: {
+        makeSuccessToast() {
+            this.successToast('This is a success toast and will be dismissed after 10 seconds.');
+        },
+        makeErrorToast() {
+            this.errorToast('This is an error toast and must be dismissed by the user.');
+        },
+        makeWarningToast() {
+            this.warningToast('This is a warning toast and must be dismissed by the user.');
+        },
+        makeInfoToast() {
+            this.infoToast('This is an info toast and must be dismissed by the user.');
+        },
+    }
+}
+</script>
+<style scoped>
+    button {
+        margin-right: .5rem;
+        margin-bottom: 1rem;
+    }
+</style>
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