Feature/package cores

[miguelmota]

• Merges branches feat/esm-hop-node-core, feature/v2-sdk-core and feature/v2-explorer
• Fixes esm builds for stats-worker and api
• Adds scripts to fix core typechain contract exports for esm
• pnpm clean && pnpm install && pnpm build should build all packages successfully:

packages:
  - 'packages/api'
  - 'packages/core'
  - 'packages/explorer-backend'
  - 'packages/explorer-frontend'
  - 'packages/frontend'
  - 'packages/hop-node'
  - 'packages/hop-node-core'
  - 'packages/sdk'
  - 'packages/sdk-core'
  - 'packages/sdk-demo'
  - 'packages/stats-worker'
  - 'packages/v2-explorer-backend'
  - 'packages/v2-explorer-frontend'

Packages hop-node, api, stats-worker, explorer-backend, frontend should run without issue.

[netlify[bot]]

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[miguelmota]

PR is up-to-date with latest develop.

All packages should build/run.

@shanefontaine