### Summary
This pull request adds the functionality to search for VAAs using Solana tx hashes, e.g.:
`GET /api/v1/vaas?txHash=2qnNNBQQQ152sGkQ1Rnq2Kdr48LvdN4oXwnTWyEmJqYYWFusLWxbwhpGS5KTXH1bKKx9gg9BLZMKd3g1cXiy7QMz`.
Also, the VAA objects returned by the API now have a new field `nativeTxHash`, which contains the tx hash that generated the VAA in the native format of the emitter chain.
Tracking issues: https://github.com/wormhole-foundation/wormhole-explorer/issues/212, https://github.com/wormhole-foundation/wormhole-explorer/issues/214
### Testing guidelines
Endpoints affected:
* `GET /api/v1/vaas` now supports Solana tx hashes by using the `?txHash=` query parameter. This search is limited to VAAs created by the portal token bridge.
* Some VAAs returned by the API should have a new field `nativeTxHash`. All VAAs related to the portal token bridge should have this field set.
* An internal refactoring affected pretty much all routes under `GET /api/v1/vaas*`, which should be re-tested.
* In the response of `/api/v1/global-tx/`, the field `originTx.signer` has been renamed to `originTx.from`
* init contract-watcher
* Add processor and blockain watchers
* Add pagination and save last blocknumber procesed by chain
* Add processing by blocks
* Add contract-watcher deploy manifest
* Add endpoint to get globalTransactions by Id
* Add originTX to get globalTransactionById endpoint
* Add wait time for new blocks
* Add initial block for evm watcher
* Add rate limit for evm watcher
* Handle testnet environment and small fixes
* Update wormhole dependencies
* Fix api documentation for swagger
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Co-authored-by: Agustin Pazos <agpazos85@gmail.com>
agodnic
ftocal