Add debug dump page (#51)

Co-authored-by: MD <[email protected]>

Adds the dump renderer used in EssentialsX/Essentials#4361.

components/CollapseMessage.vue

@@ -0,0 +1,69 @@
+<template>
+  <b-collapse
+    :class="collapseClass"
+    :open.sync="open">
+    <template #trigger="props">
+      <div
+          class="message-header"
+          role="button">
+        <p>
+          <slot name="title">Message</slot>
+        </p>
+        <fa-icon
+          pack="fas"
+          :icon="props.open ? 'chevron-up' : 'chevron-down'" />
+      </div>
+    </template>
+
+    <div :class="contentClass">
+      <slot></slot>
+    </div>
+  </b-collapse>
+</template>
+
+<script>
+export default {
+  props: {
+    type: {
+      type: String,
+      required: false,
+      default: ""
+    },
+    padding: {
+      type: Number,
+      required: false,
+      default: 4
+    }
+  },
+  data() {
+    return {
+      open: false,
+    }
+  },
+  methods: {
+    setOpen(value) {
+      this.open = open
+    }
+  },
+  computed: {
+    collapseClass() {
+      return {
+        message: true,
+        [this.type]: true,
+        open: this.open,
+      }
+    },
+    contentClass() {
+      return {
+        [`p-${this.padding}`]: true
+      }
+    }
+  }
+}
+</script>
+
+<style scoped>
+.message:not(.open) .message-header {
+  border-radius: 4px;
+}
+</style>