[meta] add auto-changelog

.npmrc

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

CHANGELOG.md

@@ -0,0 +1,31 @@
+# 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).
+
+## [v0.0.1](https://github.com/ljharb/node-concat-map/compare/v0.0.0...v0.0.1) - 2014-01-29
+
+### Commits
+
+- license file [`91472cd`](https://github.com/ljharb/node-concat-map/commit/91472cd322299c7f8059be3ca4aabc07f7b4b15a)
+- using testling-ci [`e5f90f8`](https://github.com/ljharb/node-concat-map/commit/e5f90f8933516e94ec746aed85d3b175c5d69745)
+- upgrade tape [`fb6cd24`](https://github.com/ljharb/node-concat-map/commit/fb6cd24d57bc77aaab2ed4d3c475dbf749d618a0)
+- fixes for ie6-8 [`27b9a4a`](https://github.com/ljharb/node-concat-map/commit/27b9a4a19eb2c3501bc40b633d54a8e99c08765b)
+- using tape [`c1a4e78`](https://github.com/ljharb/node-concat-map/commit/c1a4e788eedd984f36d2c76cb197ede18082bfeb)
+- more firefoxes [`22b491e`](https://github.com/ljharb/node-concat-map/commit/22b491e7a72cbad300fba8c3885dbcead4fa3607)
+
+## v0.0.0 - 2012-06-07
+
+### Commits
+
+- and a readme [`5f7ca89`](https://github.com/ljharb/node-concat-map/commit/5f7ca89bdf221110b6c291be24bbfd38ab8e8643)
+- and a package.json [`b0a752e`](https://github.com/ljharb/node-concat-map/commit/b0a752e4d7ce9a9ce95364e29f468aefb6c336ee)
+- more passing tests [`9bf7939`](https://github.com/ljharb/node-concat-map/commit/9bf793982ca938be6d95800e545835a362d62c56)
+- document methods [`ded159b`](https://github.com/ljharb/node-concat-map/commit/ded159b52fcb147ee065f2816d452b2112b52a14)
+- initial code and an example [`5c26bd4`](https://github.com/ljharb/node-concat-map/commit/5c26bd4f03574a792e63fc0b5c5bdf681667ac99)
+- passing map test [`1fe6107`](https://github.com/ljharb/node-concat-map/commit/1fe61071594a9bb76e206f90be45fb33b0a0b738)
+- using travis [`600c950`](https://github.com/ljharb/node-concat-map/commit/600c9505a6bcaa3b125cc22ce931824b985ec382)
+- failing test for i param [`123d4d6`](https://github.com/ljharb/node-concat-map/commit/123d4d64f737831f46adb1b12c3c33e291774307)
+- i param test passes [`4b53eee`](https://github.com/ljharb/node-concat-map/commit/4b53eee40a441cc752e2db093be6c44a92560189)

package.json

@@ -26,11 +26,14 @@
 		"pretest": "npm run lint",
 		"tests-only": "tape 'test/**/*.js'",
 		"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)\")\""
 	},
 	"devDependencies": {
 		"@ljharb/eslint-config": "^21.0.0",
 		"aud": "^2.0.1",
+		"auto-changelog": "^2.4.0",
 		"eslint": "=8.8.0",
 		"in-publish": "^2.0.1",
 		"npmignore": "^0.3.0",
@@ -72,6 +75,14 @@
 			]
 		}
 	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
 	"publishConfig": {
 		"ignore": [
 			".github/workflows"