Update cheatsheets

lerna

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lerna
+
+> Manage JavaScript projects with multiple packages.
+> More information: <https://lerna.js.org>.
+
+- Initialize project files (`lerna.json`, `package.json`, `.git`, etc.):
+
+`lerna init`
+
+- Install all external dependencies of each package and symlink together local dependencies:
+
+`lerna bootstrap`
+
+- Run a specific script for every package that contains it in its `package.json`:
+
+`lerna run {{script}}`
+
+- Execute an arbitrary shell command in every package:
+
+`lerna exec -- {{ls}}`
+
+- Publish all packages that have changed since the last release:
+
+`lerna publish`