### Summary
Updating from swaggo v1.8.9 to v1.8.10 caused issues with the generated swagger file.
The issue was solved by moving the handler for `GET /swagger.json` outside the `/doc` directory.
* add vaaId and txHash relation in vaaIdTxHash collection
* add txHash in vaas collection
* add txHash in response vaa and as filter in find vaas endpoints