Implement read-only Dynu Terraform provider skeleton

internal/provider/provider_acc_test.go

@@ -0,0 +1,15 @@
+package provider
+
+import (
+	"os"
+	"testing"
+)
+
+func TestAccScaffold(t *testing.T) {
+	if os.Getenv("TF_ACC") == "" || os.Getenv("DYNU_API_KEY") == "" {
+		t.Skip("set TF_ACC=1 and DYNU_API_KEY to enable acceptance tests")
+	}
+
+	// Acceptance tests for read-only data sources are intentionally scaffolded in phase 1.
+	// Add terraform-plugin-testing based test cases in a follow-up with stable fixtures.
+}