fix: nft tutorial navigation inconsistency

next.config.js

@@ -8,6 +8,11 @@ const withFonts = require('next-fonts');
 
 async function redirects() {
   return [
+    {
+      source: '/write-smart-contracts/nft',
+      destination: '/write-smart-contracts/nft-tutorial',
+      permanent: true,
+    },
     {
       source: '/understand-stacks/integrate-stacking',
       destination: '/build-apps/guides/integrate-stacking',

src/common/navigation.yaml

@@ -49,7 +49,8 @@ sections:
             pages:
               - path: /hello-world-tutorial
               - path: /counter-tutorial
-              - path: /nft
+              - path: /nft-tutorial
+              - path: /billboard-tutorial
               - path: /testing-contracts
       - path: /build-apps
         pages:

src/pages/index.md

@@ -11,7 +11,7 @@ description: Write Clarity smart contracts, build apps, and starting mining with
 ## Write smart contracts
 
 [@page-reference | grid]
-| /write-smart-contracts/overview, /write-smart-contracts/hello-world-tutorial, /write-smart-contracts/tokens, /write-smart-contracts/nft
+| /write-smart-contracts/overview, /write-smart-contracts/hello-world-tutorial, /write-smart-contracts/tokens, /write-smart-contracts/nft-tutorial
 
 ## Build apps