docs: streamline release v2 documentation (#6760)

apps/docs/src/declarations.d.ts

@@ -3,6 +3,16 @@ declare module "*.mp4" {
   export default src;
 }
 
+declare module "*.gif" {
+  const src: string;
+  export default src;
+}
+
+declare module "*.png" {
+  const src: string;
+  export default src;
+}
+
 declare module "@theme/Tabs" {
   import type { ComponentProps, ReactNode } from "react";
   interface Props extends ComponentProps<"div"> {