Merge pull request #439 from dappnode/pablo/prettify-error-to-frontend

Enhance error handling in RPC functions for clearer messages

Responsive brain (#431)

* Topbar responsive

* Validators Screen responsive

* fullscreen mobile dialogs

* import screen responsive

delete port in testnet oracle url

Merge pull request #427 from dappnode/marc/fixnimbusgnosis

fix nimbus gnosis

Merge pull request #425 from dappnode/marc/add-hoodi-cert

add hoodi certs

Support hoodi testnet (#423)

Post FR always in validator client (#422)

Add text plain header to `/upcheck` request (#418)

* Add text plain header

* Define headers

Compare feerecipient lowercase (#410)

Fix get exit validators (#407)