update package publishing guide

CONTRIBUTING.md

@@ -123,7 +123,14 @@ To publish all packages that have been changed since the last release, run:
 
 ```sh
 npm login
-npx lerna publish
+
+# this will increment all the versions in package.json files of non private packages to selected versions
+npx lerna version --no-private
+
+# publish all packages inside /packages using pnpm! don't use lerna to publish!!
+pnpm --filter "./packages/**" publish --dry-run
+
+# the last command was only a dry-run, make sure everything looks ok, if yes, run the same command without flag
 ```
 
 To manually publish a single package, increase the version in the `package.json`, then run `pnpm publish`.

website/src/pages/technical-manual/packages.mdx

@@ -58,5 +58,6 @@ These packages provide bindings for different ways to output strudel patterns:
 
 ## Tools
 
-- [pnpm workspaces](https://pnpm.io/)
-- Publishing packages is done with [lerna](https://lerna.js.org/).
+- [pnpm](https://pnpm.io/) for package management, workspaces and publishing
+- [lerna](https://lerna.js.org/) for bumping versions
+- see CONTRIBUTING.md for more info