first exercise!

- create exercise vec statistics calculator (shout out claude)
- finish hacky solution (it works... but at what cost)
- update current state

MANUAL.md

@@ -2,15 +2,7 @@
 
 ## Quick Start (First Time)
 
-1. **Initialize Git (if not done)**
-   ```bash
-   cd /Users/real/Lab/now/rust/rust-tutor
-   git init
-   git add .
-   git commit -m "Initial learning scaffolding setup"
-   ```
-
-2. **Start Your First Exercise**
+1. **Start Your First Exercise**
    - Open `NEW_CHAT_TEMPLATE.md`
    - Copy the template
    - Start new Claude Code chat
@@ -221,4 +213,4 @@ exercises/07-01-notes-cli/
 - You stop committing regularly
 
 ---
-*This system is designed to get you shipping code. Trust the process!*
+*This system is designed to get you shipping code. Trust the process!*