Update airdrop tokens reference link (#8197)

Co-authored-by: Cursor Agent <[email protected]>
Co-authored-by: prithvish <[email protected]>

Author: 3 people

apps/playground-web/src/app/transactions/airdrop-tokens/page.tsx

@@ -26,7 +26,7 @@ export default function Page() {
       <PageLayout
         icon={PlaneIcon}
         description={description}
-        docsLink="https://thirdweb-engine.apidocumentation.com/reference#tag/erc20/POST/contract/{chain}/{contractAddress}/erc20/mint-batch-to?utm_source=playground"
+        docsLink="https://engine.thirdweb.com/reference"
         title={title}
       >
         <EngineAirdropPreview />

apps/playground-web/src/app/transactions/mint-tokens/page.tsx

@@ -26,7 +26,7 @@ export default function Page() {
       <PageLayout
         icon={StampIcon}
         description={description}
-        docsLink="https://thirdweb-engine.apidocumentation.com/reference#tag/erc1155/POST/contract/{chain}/{contractAddress}/erc1155/mint-to?utm_source=playground"
+        docsLink="https://engine.thirdweb.com/reference"
         title={title}
       >
         <EngineMintPreview />