Add CardioAI project with three modules

- Module 1: Dashboard for cardiovascular disease data visualization
- Module 2: Machine learning predictor with Flask API
- Module 3: Voice assistant with DeepSeek and CosyVoice integration
- Add .gitignore for proper file exclusion
- Update requirements and documentation

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

aicodes/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/aicodes.iml" filepath="$PROJECT_DIR$/.idea/aicodes.iml" />
+    </modules>
+  </component>
+</project>