Move prompts to separate files and add prompt types

- Created directory structure for prompts (system and user prompts)
- Added specialized prompts for lectures, meetings, and interviews
- Updated enhancer.py to load prompts from files
- Added --prompt-type CLI parameter to select prompt type
- Updated documentation and enhancement proposals

main.py

@@ -61,7 +61,10 @@ def main():
         # Enhance note (only if md file doesn't exist or force flag is set)
         if not os.path.exists(md_path) or args.force:
             try:
-                enhanced_note = enhance_note(transcription)
+                enhanced_note = enhance_note(
+                    transcription,
+                    prompt_type=args.prompt_type
+                )
                 with open(md_path, "w", encoding="utf-8") as f:
                     f.write(enhanced_note)
             except Exception as e: