Update CHANGELOG.md

Author: errfrom

CHANGELOG.md

@@ -0,0 +1,26 @@
+# Changelog
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and we follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+- [[Unreleased]](#unreleased)
+  - [Added](#added)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+## [Unreleased]
+
+### Added
+
+- New transaction builder steps: `SubmitProposal` for attaching governance
+proposals and `SubmitVotingProcedure` for voting. Note that there is currently
+no support for providing a credential witness for the optional constitution
+guardrails script, which restricts certain proposal types as outlined in
+[CIP-1694 Specification](https://github.com/cardano-foundation/CIPs/blob/b81611632f9dcea0b87d7d96cf673a720c77e929/CIP-1694/README.md#guardrails-script).
+([#3](https://github.com/mlabs-haskell/purescript-cardano-transaction-builder/pull/3))
+
+- Support for Conway era certificates.
+([#3](https://github.com/mlabs-haskell/purescript-cardano-transaction-builder/pull/3))

Makefile

@@ -29,6 +29,7 @@ check-format: check-explicit-exports
 	@eslint --quiet ${js-sources} --parser-options 'sourceType: module'
 
 format:
+	@doctoc CHANGELOG.md --github --notitle
 	@purs-tidy format-in-place ${ps-sources}
 	@nixpkgs-fmt ${nix-sources}
 	@make check-format

flake.nix

@@ -1,13 +1,13 @@
 {
-  description = "purescript-cardano-types";
+  description = "purescript-cardano-transaction-builder";
 
   # Allow IFD in `nix flake check`.
   nixConfig.allow-import-from-derivation = "true";
 
   nixConfig = {
     extra-substituters = [ "https://plutonomicon.cachix.org" ];
     extra-trusted-public-keys = [ "plutonomicon.cachix.org-1:evUxtNULjCjOipxwAnYhNFeF/lyYU1FeNGaVAnm+QQw=" ];
-    bash-prompt = "\\[\\e[0m\\][\\[\\e[0;2m\\]nix-develop \\[\\e[0;1m\\]ps-cardano-types@\\[\\033[33m\\]$(git rev-parse --abbrev-ref HEAD) \\[\\e[0;32m\\]\\w\\[\\e[0m\\]]\\[\\e[0m\\]$ \\[\\e[0m\\]";
+    bash-prompt = "\\[\\e[0m\\][\\[\\e[0;2m\\]nix-develop \\[\\e[0;1m\\]ps-cardano-tx-builder@\\[\\033[33m\\]$(git rev-parse --abbrev-ref HEAD) \\[\\e[0;32m\\]\\w\\[\\e[0m\\]]\\[\\e[0m\\]$ \\[\\e[0m\\]";
   };
 
   inputs = {