Function createGroupID

createGroupID(value: string): GroupID
Factory function to create a validated Political Group ID
Parameters
- value: string
  String to convert to Group ID
Returns GroupID
Branded Group ID
Throws
If value is not a valid Group ID
Example
```
const groupId = createGroupID("EPP");
const members = await getGroupMembers(groupId);
```
Security
Input validation prevents injection attacks
- Defined in types/branded.ts:301