Add cache API docs (#6240)

Co-authored-by: Ricky <rickhanlonii@gmail.com>
Co-authored-by: Luna Wei <luwe@fb.com>
Co-authored-by: Ricky Hanlon <rickhanlonii@gmail.com>

Author: 3 people

src/components/MDX/Heading.tsx

@@ -88,3 +88,11 @@ export const H4 = ({className, ...props}: HeadingProps) => (
     {...props}
   />
 );
+
+export const H5 = ({className, ...props}: HeadingProps) => (
+  <Heading
+    as="h5"
+    className={cn(className, 'text-lg font-display font-bold leading-9 my-2')}
+    {...props}
+  />
+);

src/components/MDX/MDXComponents.tsx

@@ -11,7 +11,7 @@ import {CodeDiagram} from './CodeDiagram';
 import ConsoleBlock from './ConsoleBlock';
 import ExpandableCallout from './ExpandableCallout';
 import ExpandableExample from './ExpandableExample';
-import {H1, H2, H3, H4} from './Heading';
+import {H1, H2, H3, H4, H5} from './Heading';
 import InlineCode from './InlineCode';
 import Intro from './Intro';
 import BlogCard from './BlogCard';
@@ -388,6 +388,7 @@ export const MDXComponents = {
   h2: H2,
   h3: H3,
   h4: H4,
+  h5: H5,
   hr: Divider,
   a: Link,
   img: Image,