Release v0.1.0.0

6ab5e20 Setup Github Actions CI
9bc9c86 Harmonise component versions and remove redundant conditionals.
38c3179 Drop support for ghc-8.6.5
7cfe42d Import cardano-submit-api from cardano-rest repo Publish submit-api artifacts Tidy up imports Remove unused cardano-cli dependencies Document how to test
b8bc703 Test support for running CLI commands with environment variables.
4793a12 Run golden tests at the value level rather than the text level to avoid chaing parser implementations causing tests to fail.
f06343e Update copyright to 2021
e304e19 Cabal 3.4 in Github Actions
08a4182 Reconfigure nodes for chairman tests and tweak chairman block expectations.
5d2aeda New copyRewriteJsonFile function to work around permissioning issues on Hydra
85faabc Remove redundant imports
5ea24dc General chairman test code quality changes
e68359a Chairman test running on Windows and Linux.
9cb3be7 Report all log files on any test failure.
750d428 Bump versions to 1.21.0 and update the change logs
dcc8f1f Run byron-shelley testnet
de93e4d Run a chairman process per node
639c7b8 Increase test code re-use by moving test support code into separate common hedgehog-extras library.