ci: add haddock+cloudflare pages action

Author: lua-vr

.github/workflows/build.yml

@@ -94,3 +94,16 @@ jobs:
 
       - name: Run tests (oldest)
         run: cabal test all
+
+      - name: Build haddocks
+        run: |
+          cabal haddock-project
+        if: ${{ matrix.haddock }}
+
+      - name: Upload haddocks
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy haddocks --project-name=ondim
+        if: ${{ matrix.haddock }}