Story: Add a Bar to a Venue

As a Host, I want to add a new bar to my venue, so that I can manage the different physical locations where I serve drinks within that venue.

Acceptance Criteria

• I can add a new bar to an existing venue.
• I must provide the bar's Name (e.g., "Main Bar", "Kitchen Counter Bar").
• I can optionally provide a Description of the bar (e.g., "Main bar with full service", "Small bar in the kitchen").
• The system should record the bar within the venue.
• The new bar should be available for use in bar setups and recipe requirements.