chore: update docs and style (#269)

assets/lib/aplayer/dark.scss

@@ -1,4 +1,4 @@
-.dark .aplayer {
+[theme=dark] .aplayer {
   background: #212121;
 
   &.aplayer-withlist {

assets/lib/mermaid/mermaid.scss

@@ -9,7 +9,7 @@
 
   @import "themes/neutral/index";
 
-  .dark & {
+  [theme=dark] & {
     @import "themes/dark/index";
   }
 }

assets/lib/polyfill.yml

@@ -6,6 +6,14 @@ algoliasearch:
   - Promise
   - Object.entries
   - Object.assign
+TypeIt:
+  - Array.prototype.fill
+  - Array.prototype.find
+  - Array.from
+  - IntersectionObserver
+  - Math.sign
+  - Object.assign
+  - Promise
 theme:
   - Object.values
   - Promise

assets/lib/valine/valine.scss

@@ -0,0 +1,14 @@
+$border-color: #f0f0f0;
+$border-color-dark: #363636;
+
+.v[data-class=v] {
+  .vwrap,
+  .vwrap .vheader .vinput,
+  .vcards .vcard .vh {
+    border-color: $border-color;
+
+    [theme=dark] & {
+      border-color: $border-color-dark;
+    }
+  }
+}