feat: release managed service generation and contract diagnostics

examples/managedService/internal/logic/demo/rawJSON.go

@@ -0,0 +1,10 @@
+package demo
+
+import (
+	"context"
+	"example.com/managed/internal/types"
+)
+
+func (l *Logic) RawJSON(context.Context) (*types.Receipt, error) {
+	return &types.Receipt{Bytes: 3}, nil
+}