Release v2.0.0

Author: errfrom

CHANGELOG.md

@@ -6,12 +6,12 @@ and we follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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-- [[Unreleased]](#unreleased)
+- [v2.0.0](#v200)
   - [Added](#added)
 
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-## [Unreleased]
+## v2.0.0
 
 ### Added
 

README.md

@@ -19,6 +19,9 @@ data TransactionBuilderStep
   | MintAsset ScriptHash AssetName Int.Int CredentialWitness
   | IssueCertificate Certificate (Maybe CredentialWitness)
   | WithdrawRewards StakeCredential Coin (Maybe CredentialWitness)
+  | SubmitProposal VotingProposal (Maybe CredentialWitness)
+  | SubmitVotingProcedure Voter (Map GovernanceActionId VotingProcedure)
+      (Maybe CredentialWitness)
 
 data OutputWitness
   = NativeScriptOutput (ScriptWitness NativeScript)