Add initial slides for TDD workshop presentation with custom styles and navigation

README.md

@@ -1,6 +1,6 @@
 # TDD Workshop
 
-**A hands-on, 2-hour workshop for learning Test-Driven Development through deliberate practice.**
+**A hands-on, 80-minute workshop for learning Test-Driven Development through deliberate practice.**
 
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@@ -11,8 +11,8 @@ This workshop teaches the RED-GREEN-REFACTOR cycle through:
 2. **Hands-on practice** (Password Validator or Shopping Cart)
 3. **Group reflection** and retrospective
 
-**Target audience:** Developers familiar with TDD concepts but lacking hands-on practice  
-**Duration:** 2 hours  
+**Target audience:** 3-person team (2 developers + facilitator)  
+**Duration:** 80 minutes  
 **Language:** Dart
 
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@@ -118,12 +118,11 @@ tdd-workshop/
 2. **Choose a kata:**
    - **Password Validator:** Rules-based validation, interesting refactoring
    - **Shopping Cart:** Stateful domain object, data structure decisions
-3. **Follow the workflow:**
-   - Uncomment one test at a time
-   - Make it RED (watch it fail)
-   - Make it GREEN (minimal code to pass)
-   - Refactor (clean up duplication)
-   - Repeat
+3. **Follow the 3-Way Ping-Pong workflow:**
+   - **Dev A (RED):** Uncomment one test, run it, watch it fail. Pass the keyboard.
+   - **Dev B (GREEN):** Write minimal code to pass. Pass the keyboard.
+   - **Dev C (REFACTOR):** Clean up the code. Write the next test (RED). Pass the keyboard.
+   - Rotate roles and repeat
 
 ### Kata Instructions