Add a dashboard container where dashboard elements can be placed.
| Field | Size | Values | Description |
|---|---|---|---|
| Message ID | 1 byte | 0x2A | |
| Data length | 2 bytes | 7 + label length (N) | |
| ID | 2 bytes | 0x0000-0xFFFF | Dashboard ID |
| Label | N bytes | Null-terminated string | Dashboard label |
| Background color | 3 bytes | 0xRRGGBB | Background color of dashboard |
| Height | 2 bytes | Height (in pixels) of dashboard |