docs(add: README): Fix release docs and update details

packages/add/README.md

@@ -13,16 +13,19 @@ yarn rw-shad <component>
 Details
 -------
 
-Under the hood this will run `npx https://verdaccio.tobbe.dev/shadcn/-/shadcn-2.1.2-config-dir.tgz add --config-dir config --path components/ui --yes <component>`
+Under the hood this will run `npx --yes <shadcn-build.tgz> add --config-dir config --path components/ui --no-overwrite <component>`
+Where `<shadcn-build.tgz>` is my latest build of `shadcn` and `<component>` is
+the name of the component you want to generate.
 
 Contributing
 ------------
 
-If you want to add JS support, or contribute any other changes an easy way to test this locally is:
+If you want to add JS support, or contribute any other changes an easy way to
+test this locally is:
 ```
 yarn start --cwd ../rw-example-project <component>
 ```
 
 ### Releasing
 
-It's made to be released by npm (e.g. `npm run release:patch`). That way I don't have to worry about yarn v1 vs v3
+Just run `yarn release:patch|minor|major` in this directory (`packages/add`)