message: chore(issuer): added high level recipes
diff: @@ -16,9 +16,25 @@ Issuer uses specific topic to issue:
  2) `PublicIssuer.sol` is an implementation of public I-REC compliant issuer
  -### Examples
  +### Recipes
  -1) Requesting and issuance
  +1) Private issuance and private trading
  + - issue using PrivateIssuer.requestIssue / PrivateIssuer.approveIssue
  + - transfer using PrivateIssuer.privateTransfer
  +
  +2) Private issuance and public trading
  + - issue using PrivateIssuer.requestIssue / PrivateIssuer.approveIssue
  + - migrate to public using PrivateIssuer.migrateToPublic
  + - transfer / trade public volumes
  +
  +3) Public issuance and private trading
  + - issue using PublicIssuer
  + - deposit volume to PrivateIssuer
  + - transfer using PrivateIssuer.privateTransfer
  +
  +### Technical documentation
  +
  +1) Private requesting and issuance
  ```mermaid
  graph TD;
  A(Device Owner) -->|1. Request Issue| P(PrivateIssuer.sol)
  