message: add EOSIO Developer Portal
diff: @@ -40,11 +40,12 @@ EOSIO currently supports the following operating systems:
  2. [EOSIO Blog](https://medium.com/eosio)
  3. [EOSIO Documentation Wiki](https://github.com/EOSIO/eos/wiki)
  4. [EOSIO API Documentation](https://eosio.github.io/eos/)
  -5. [EOSIO StackExchange for Q&A](https://eosio.stackexchange.com/)
  -6. [Community Telegram Group](https://t.me/EOSProject)
  -7. [Developer Telegram Group](https://t.me/joinchat/EaEnSUPktgfoI-XPfMYtcQ)
  -8. [White Paper](https://github.com/EOSIO/Documentation/blob/master/TechnicalWhitePaper.md)
  -9. [Roadmap](https://github.com/EOSIO/Documentation/blob/master/Roadmap.md)
  +5. [EOSIO Developer Portal](https://developers.eos.io)
  +6. [EOSIO StackExchange for Q&A](https://eosio.stackexchange.com/)
  +7. [Community Telegram Group](https://t.me/EOSProject)
  +8. [Developer Telegram Group](https://t.me/joinchat/EaEnSUPktgfoI-XPfMYtcQ)
  +9. [White Paper](https://github.com/EOSIO/Documentation/blob/master/TechnicalWhitePaper.md)
  +10. [Roadmap](https://github.com/EOSIO/Documentation/blob/master/Roadmap.md)
  <a name="gettingstarted"></a>
  ## Getting Started
  