[WIP] 在pages/common文件夹下增加一个 orb.md。里面是 orb 的命令 TLDR，orb命令是orbstack的命令行工具，请你从网络上抓取该命令的使用方法，再总结提炼为该项目（tldr）的tldr形式，最后提个pr

pages/common/orb.md

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+# orb
+
+> Command-line interface for OrbStack, a fast and lightweight container and virtual machine runtime for macOS.
+> Provides Docker-compatible commands and Linux VM management.
+> More information: <https://docs.orbstack.dev/>.
+
+- List all containers and VMs:
+
+`orb list`
+
+- Create and start a Linux virtual machine:
+
+`orb create {{vm_name}}`
+
+- Create a VM with a specific Linux distribution:
+
+`orb create {{vm_name}} {{ubuntu|fedora|arch|debian}}`
+
+- Start or stop a virtual machine:
+
+`orb {{start|stop}} {{vm_name}}`
+
+- Connect to a VM via SSH:
+
+`orb ssh {{vm_name}}`
+
+- Execute a command in a VM:
+
+`orb exec {{vm_name}} {{command}}`
+
+- Delete a virtual machine:
+
+`orb delete {{vm_name}}`
+
+- Show system status and resource usage:
+
+`orb status`