Essential dapps

[maxaleks]

Description and Related Issue(s)

Resolves #2644

Changes in ENV vars

• Added NEXT_PUBLIC_MARKETPLACE_ESSENTIAL_DAPPS_CONFIG to enable the display of essential dapps

Example value:

{'swap': {'chains': ['1', '10', '100', '11155111'], 'fee': '0.004', 'integrator': 'blockscout'}, 'revoke': {'chains': ['1', '10', '100', '11155111']}, 'multisend': {'chains': ['1', '10', '100', '11155111']}}

Checklist for PR author

• I have tested these changes locally.
• I added tests to cover any new functionality, following this guide
• Whenever I fix a bug, I include a regression test to ensure that the bug does not reappear silently.
• If I have added, changed, renamed, or removed an environment variable
  • I updated the list of environment variables in the documentation
  • I made the necessary changes to the validator script according to the guide
  • I added "ENVs" label to this pull request

[tom2drum]

Let's also investigate what dapp causes the significant increase in the build time.