feat: add Bilibili shortcode

modules/wowchemy/assets/scss/wowchemy/components/_shortcode.scss

@@ -44,3 +44,22 @@ details p {
 .dark details p {
   border-left: 1px solid rgba(255, 255, 255, 0.8);
 }
+
+// Bilibili Video
+
+.bilibili {
+  position: relative;
+  width: 100%;
+  height: auto;
+  margin: 1rem auto;
+  text-align: center;
+
+  iframe {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    border: none;
+    left: 0;
+    top: 0;
+  }
+}

modules/wowchemy/layouts/shortcodes/bilibili.html

@@ -0,0 +1,3 @@
+<div class="bilibili">
+  <iframe src="//player.bilibili.com/player.html?bvid={{ .Get `id` }}&page={{ .Get `p` | default 1 }}" allow="fullscreen"></iframe>
+</div>