[meta] add auto-changelog

.npmrc

@@ -1 +1,3 @@
 package-lock=false
+allow-same-version=true
+message=v%s

CHANGELOG.md

@@ -0,0 +1,25 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/meandavejustice/is-core-module/compare/v1.0.1...v1.0.2) - 2014-09-28
+
+### Commits
+
+- simpler [`66fe90f`](https://github.com/meandavejustice/is-core-module/commit/66fe90f9771581b9adc0c3900baa52c21b5baea2)
+
+## [v1.0.1](https://github.com/meandavejustice/is-core-module/compare/v1.0.0...v1.0.1) - 2014-09-28
+
+### Commits
+
+- remove stupid [`f21f906`](https://github.com/meandavejustice/is-core-module/commit/f21f906f882c2bd656a5fc5ed6fbe48ddaffb2ac)
+- update readme [`1eff0ec`](https://github.com/meandavejustice/is-core-module/commit/1eff0ec69798d1ec65771552d1562911e90a8027)
+
+## v1.0.0 - 2014-09-28
+
+### Commits
+
+- init [`48e5e76`](https://github.com/meandavejustice/is-core-module/commit/48e5e76cac378fddb8c1f7d4055b8dfc943d6b96)

package.json

@@ -17,7 +17,9 @@
 		"pretest": "npm run lint",
 		"tests-only": "tape test",
 		"test": "npm run tests-only",
-		"posttest": "aud --production"
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
 	},
 	"repository": {
 		"type": "git",
@@ -46,7 +48,16 @@
 	"devDependencies": {
 		"@ljharb/eslint-config": "^17.2.0",
 		"aud": "^1.1.2",
+		"auto-changelog": "^2.2.1",
 		"eslint": "^7.10.0",
 		"tape": "^5.0.1"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
 	}
 }