fix: handle older generated docs better

.github/workflows/documentation.yml

@@ -99,7 +99,7 @@ jobs:
       - name: Move docs to correct directory
         if: ${{ github.ref_type == 'branch' }}
         run: |
-          declare -a PACKAGES=("brokers" "builders" "collection" "core" "discord.js" "next" "formatters" "proxy" "rest" "util" "voice" "ws")
+          declare -a PACKAGES=("brokers" "builders" "collection" "core" "discord.js" "formatters" "next" "proxy" "rest" "util" "voice" "ws")
           for PACKAGE in "${PACKAGES[@]}"; do
             if [[ "${PACKAGE}" == "discord.js" ]]; then
               mkdir -p "out/${PACKAGE}"
@@ -171,10 +171,19 @@ jobs:
       - name: Build dependencies
         run: pnpm run build
 
+      - name: Cache .next/cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ${{ github.workspace }}/.next/cache
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('apps/website/**/*.ts', 'apps/website/**/*.tsx') }}
+          restore-keys: |
+            ${{ runner.os }}-nextjs-
+
       - name: Pull vercel production environment
         run: pnpm exec vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
 
-      - name: Build website Artifacts
+      - name: Build website artifacts
         run: pnpm exec vercel build --prod --token=${{ secrets.VERCEL_TOKEN }}
 
       - name: Build & deploy website