Enhance AI and simulation components with presence management and routing capabilities

- Introduced the `HSchool.Ai` project, responsible for routing, day plans, and presence management.
- Updated the `HSchool.Simulation` project to integrate with the new AI functionalities, improving decision-making and presence tracking.
- Added `travelMinutes` to room and territory definitions, ensuring accurate movement calculations within the simulation.
- Enhanced the `School` class to manage presence and implement empty-time skipping functionality.
- Updated documentation to reflect the new AI features and their impact on school simulation.
- Added tests for presence management and routing to ensure robust functionality and reliability.

src/HSchool.Simulation/RosterSpawner.cs

@@ -1,5 +1,6 @@
 using Arch.Core;
 using HSchool.People;
+using HSchool.Ai;
 
 namespace HSchool.Simulation;
 
@@ -36,7 +37,8 @@ public static class RosterSpawner
                     person.IsParent,
                     person.ClassId,
                     person.Position,
-                    person.WorkplaceRoomId));
+                    person.WorkplaceRoomId),
+                Presence.OffCampus);
         }
     }