Add PBLauncher to the Self-Hosting section (#72)

* add PBLauncher

* add the github stars link

Author: user0608

README.md

@@ -127,6 +127,7 @@ PocketBase is an open source backend consisting of embedded database (SQLite) wi
 - [LocalXpose](https://localxpose.io/docs/tutorials/expose-pocketbase-backend) - Allow public access to a localhost instance.
 - [PocketBase Docker](https://github.com/kdpuvvadi/pocketbase) - Docker images supporting multiple architectures and updated with latest PocketBase releases. ![GitHub Repo stars](https://img.shields.io/github/stars/kdpuvvadi/pocketbase)
 - [PocketBase on Dokku](https://github.com/blockshiftnetwork/dokku-pocketbase) - Deploy PocketBase instances on Dokku effortlessly. ![GitHub Repo stars](https://img.shields.io/github/stars/blockshiftnetwork/dokku-pocketbase)
+- [PBLauncher](https://github.com/user0608/pb_launcher) - Manage PocketBase instances — fast, lightweight, open source. ![GitHub Repo stars](https://img.shields.io/github/stars/user0608/pb_launcher)
 
 ## TypeScript tools