More robust workflows for website deployment

.github/workflows/ci.yml

@@ -105,8 +105,20 @@ jobs:
         with:
           path: artifacts
 
+      - name: Prepare release files
+        run: |
+          mkdir -p release
+          for dir in artifacts/*/; do
+            name=$(basename "$dir")
+            if [ -f "$dir/cagire.exe" ]; then
+              cp "$dir/cagire.exe" "release/${name}.exe"
+            elif [ -f "$dir/cagire" ]; then
+              cp "$dir/cagire" "release/${name}"
+            fi
+          done
+
       - name: Create Release
         uses: softprops/action-gh-release@v2
         with:
-          files: artifacts/**/*
+          files: release/*
           generate_release_notes: true