Add UEFI boot mode option for Qemu VMs

gns3server/schemas/controller/templates/qemu_templates.py

@@ -81,6 +81,7 @@ class QemuTemplate(TemplateBase):
         False, description="Automatically create a config disk on HDD disk interface (secondary slave)"
     )
     tpm: Optional[bool] = Field(False, description="Enable Trusted Platform Module (TPM)")
+    uefi: Optional[bool] = Field(False, description="Enable UEFI boot mode")
     on_close: Optional[QemuOnCloseAction] = Field("power_off", description="Action to execute on the VM is closed")
     cpu_throttling: Optional[int] = Field(0, ge=0, le=800, description="Percentage of CPU allowed for QEMU")
     process_priority: Optional[QemuProcessPriority] = Field("normal", description="Process priority for QEMU")