Add changelog and mechanism to update it on release

.release-it.json

@@ -1,12 +1,13 @@
 {
   "hooks": {
-    "after:init": ["npm test", "npm run lint"]
+    "after:init": ["npm test", "npm run lint"],
+    "before:release": "npx auto-changelog --package --commit-limit false --template src/changelog.hbs --commit-url https://github.com/w3c/browser-specs/commit/{id} --issue-url https://github.com/w3c/browser-specs/issues/{id} --merge-url https://github.com/w3c/browser-specs/pull/{id} --compare-url https://github.com/w3c/browser-specs/compare/{from}...{to}"
   },
   "git": {
     "commitMessage": "v${version}",
-    "tagName": "v${version}",
     "tagAnnotation": "v${version}",
-    "pushRepo": "git@github.com:w3c/browser-specs.git"
+    "pushRepo": "git@github.com:w3c/browser-specs.git",
+    "changelog": "npx auto-changelog --stdout --commit-limit false --unreleased --template src/changelog-release.hbs --commit-url https://github.com/w3c/browser-specs/commit/{id} --issue-url https://github.com/w3c/browser-specs/issues/{id} --merge-url https://github.com/w3c/browser-specs/pull/{id} --compare-url https://github.com/w3c/browser-specs/compare/{from}...{to}"
   },
   "github": {
     "release": true,

CHANGELOG.md

@@ -0,0 +1,46 @@
+# Changelog
+
+All changes to this project will be documented in this file. Commits titled
+"Update spec info" are generated automatically and contain updates to spec
+property values. Check the corresponding Git commit for details.
+
+## 0.1.0 - 2020-04-07
+
+### Merged
+
+- Rename xxxInSeries to seriesXxx [`#34`](https://github.com/w3c/browser-specs/pull/34)
+- Add code to manage releases [`#33`](https://github.com/w3c/browser-specs/pull/33)
+- Add first list of specs [`#26`](https://github.com/w3c/browser-specs/pull/26)
+- Align property names with W3C API [`#31`](https://github.com/w3c/browser-specs/pull/31)
+- Add open source license [`#30`](https://github.com/w3c/browser-specs/pull/30)
+- Export completed list of specs in index.json file [`#29`](https://github.com/w3c/browser-specs/pull/29)
+- Fetch spec info from W3C API, Specref or the spec [`#22`](https://github.com/w3c/browser-specs/pull/22)
+-  Add filtering param for index.js when used as CLI [`#21`](https://github.com/w3c/browser-specs/pull/21)
+-  Fix currentLevel computation for delta specs [`#20`](https://github.com/w3c/browser-specs/pull/20)
+- Add currentLevel property [`#18`](https://github.com/w3c/browser-specs/pull/18)
+- Allow delta flag and add previous/next links [`#8`](https://github.com/w3c/browser-specs/pull/8)
+- Add logic to compute shortname, family name and level [`#7`](https://github.com/w3c/browser-specs/pull/7)
+- Detect and drop duplicate URLs when linting [`#6`](https://github.com/w3c/browser-specs/pull/6)
+- Fix nits/typos from "Allow specs to be represented by a simple string" [`#4`](https://github.com/w3c/browser-specs/pull/4)
+- Allow specs to be represented by a simple string [`#3`](https://github.com/w3c/browser-specs/pull/3)
+- Add specs.json with a single spec and linting [`#2`](https://github.com/w3c/browser-specs/pull/2)
+
+### Commits
+
+- [data] Update spec info [`6637d3e`](https://github.com/w3c/browser-specs/commit/6637d3e3dcb8c777acde21958bb81934e6f01815)
+- [data] Update spec info [`d5fb4f1`](https://github.com/w3c/browser-specs/commit/d5fb4f1851639b204fb966f9fd651efe04fa73c2)
+- Add tests for linter [`55acd74`](https://github.com/w3c/browser-specs/commit/55acd74fa1244c9645d0b6273b8a5d5c974b1cf4)
+- Add JSON Schema and schema validation to linting logic [`82aeffd`](https://github.com/w3c/browser-specs/commit/82aeffde8b5f517fe8a78e6aac887fee06b8f53f)
+- Fix linting tests on duplication to pass shortname generation [`7a437ab`](https://github.com/w3c/browser-specs/commit/7a437abfc36b95b16132db8f2425fa4e8cdbbdbc)
+- Simplify string detection logic [`6f77ab1`](https://github.com/w3c/browser-specs/commit/6f77ab13508a5f6694f61c16b26c96e78014a250)
+- Add first README and w3c.json file [`0e905d2`](https://github.com/w3c/browser-specs/commit/0e905d2686622aaee262e1aff7cd2845d2d7d240)
+- Adjust workflow names [`7766efb`](https://github.com/w3c/browser-specs/commit/7766efb990464d599bcc30c060d6ef60b8403753)
+- Remove group field from w3c.json [`c62bb96`](https://github.com/w3c/browser-specs/commit/c62bb96b6280a3eb20e3a129a2afba7c215c1d79)
+- Ignore git commit exit code in fetch info workflow [`514687e`](https://github.com/w3c/browser-specs/commit/514687e0b0c6b51359235b6cffd8f8a9fc0640ba)
+
+## Credits
+
+Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
+
+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).

package.json

@@ -19,6 +19,7 @@
   },
   "devDependencies": {
     "ajv": "^6.11.0",
+    "auto-changelog": "^1.16.4",
     "mocha": "^7.0.0",
     "release-it": "^13.5.1"
   }