feat: adds Benjamin's user stories (#250)

Author: bscott519

lesson_05/benjaminscott/README.md

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+# User Stories - Augmented Reality Home Design Simulator
+## 1. As a home decorator, I want to upload a photo of my living room and place a virtual couch in it, so that I can see if it fits the space and matches my existing decor.
+### Acceptance Criteria:
+- User can upload a photo of their room in common formats (JPG, PNG) up to 20MB in size
+- Can select from a catalog of virtual couches to place in the room
+- Virtual couch maintains proper perspective and scaling based on the room's dimensions
+- Can adjust the position and rotation of the virtual couch using mouse controls
+- System saves the modified room design for future reference
+
+## 2. As a furniture retailer, I want to upload 3D models of my products to the website, so that potential customers can visualize them in their homes.
+### Acceptance Criteria:
+- Retailer can upload 3D models in standard formats (OBJ, GLTF, FBX)
+- Can add product metadata (dimensions, materials, price, availability)
+- System automatically generates different angles/views of the 3D model for preview
+- Products are immediately available in the AR visualization tool after upload
+
+## 3. As a user, I want to be able to move virtual furniture around my bedroom so that I can visualize potential new layouts for my room.
+### Acceptance Criteria:
+- User can drag and drop furniture items to reposition them
+- System prevents furniture items from floating in air or intersecting with walls
+- System displays furniture dimensions and room measurements
+- User can save multiple layout variations of the same room
+- User can undo/redo furniture placement actions