build: copy CHANGELOG.md to package

Author: justinmk

README.md

@@ -218,7 +218,8 @@ Only maintainers of the [neovim NPM package](https://www.npmjs.com/package/neovi
    ```bash
    # Choose major/minor/patch as needed.
    npm version -w packages/neovim/ patch
-   # Note: this copies the top-level README.md to packages/neovim.
+   git commit -m 'release'
+   # Note: this copies the top-level README.md/CHANGELOG.md to packages/neovim/.
    npm run publish:neovim
    export _VERSION=$(grep -o 'version": "[^"]\+' packages/neovim/package.json | sed 's/.*"//')
    git tag "v${_VERSION}"

package.json

@@ -26,7 +26,7 @@
   "scripts": {
     "build": "npm run build --workspaces --if-present",
     "dev": "npm run --stream --parallel dev --workspaces --if-present",
-    "publish:neovim": "cd packages/neovim && cp ../../README.md . && npm publish",
+    "publish:neovim": "cd packages/neovim && cp ../../README.md . && cp ../../CHANGELOG.md . && npm publish",
     "test": "npm run test --workspaces --if-present",
     "test-build": "npm run test-build --workspaces --if-present",
     "test-staged": "npm run test-staged --workspaces --if-present -- --",

packages/neovim/package.json

@@ -38,6 +38,7 @@
   },
   "files": [
     "README.md",
+    "CHANGELOG.md",
     "scripts/nvim.js",
     "scripts/api.js",
     "bin/",