message: add indentation
diff: @@ -8,8 +8,8 @@ The Issuer package has four components:
  2. [Migrations:](https://github.com/energywebfoundation/origin/tree/master/packages/traceability/issuer/migrations) Methods for deploying the smart contracts to the blockchain using the [OpenZeppelin Truffle Upgrades API](https://docs.openzeppelin.com/upgrades-plugins/1.x/api-truffle-upgrades).
  3. [Blockchain-facade:](https://github.com/energywebfoundation/origin/tree/master/packages/traceability/issuer/src/blockchain-facade) Interfaces and strongly-typed classes with methods to interact with Issuer smart contracts. Blockchain facades are documented [below](#blockchain-facade).
  4. Utilities
  - a. Events
  - b. Precise Proof Utilities
  +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a. Events
  +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. Precise Proof Utilities
  ## Smart Contracts
  **All contracts on GitHub**: [https://github.com/energywebfoundation/origin/tree/master/packages/traceability/issuer/contracts](https://github.com/energywebfoundation/origin/tree/master/packages/traceability/issuer/contracts)
  