Feat/connect to NineChronicles.Headless

[area363]

Changes

1. Change schema in src/schema.graphql and src/api.graphql.
   • Add chainQuery layer for NineChronicles.Headless GraphQL.
2. Handle data loading in src/subpages/account.tsx and src/subpages/list.tsx.
   • Original loading handling updated for NineChronicles.Headless GraphQL.
3. Remove Block Reference in src/subpages/transaction.tsx.
   • Block Reference not supported in NineChronicles.Headless GraphQL.
4. Action # updated to Nonce in src/subpages/block.tsx.
   • Action # is currently meaningless the Block Detail page so I've changed it to show the Nonce for better block debugging.
   • Example page
5. Adjust column width in src/misc/columns.tsx.

[area363]

@ipdae I've fixed the alerts PTAL🙏