feat: add investor pitch deck and /pitch route

13-slide F&F round presentation with roadmap, competitive landscape,
and updated product features. Accessible at /pitch endpoint.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

dashboard/server.py

@@ -3149,6 +3149,10 @@ def bodega_js():
 def bodega_css():
     return send_from_directory('.', 'bodega.css')
 
+@app.route('/pitch')
+def pitch_deck():
+    return send_from_directory('../pitch', 'deck.html')
+
 @app.route('/login.html')
 def login_page():
     return send_from_directory('.', 'login.html')