feat: check for opentofu during import

spacemk/commands/import_state_files_to_spacelift.py

@@ -44,7 +44,20 @@ def _create_context(spacelift: Spacelift, space_id: str, token: str):
     --show-error \
     --silent \
     "${STATE_DOWNLOAD_URL}"
-terraform state push -force state.tfstate
+
+set +e
+binary="terraform"
+if ! command $binary; then
+    echo "Terraform is not installed"
+    binary="tofu"
+    if ! command $binary; then
+        echo "OpenTofu is not installed"
+        exit 1
+    fi
+fi
+set -euo pipefail
+
+$binary state push -force state.tfstate
 """
 
     variables = {