feat: updated prompt with better instructions

app/main.py

@@ -289,7 +289,8 @@ def generate_response_with_rag(prompt, index, embedding_model, documents, settin
         Explain the topic of "{settings['topic']}" in detail following this structure:
         1. Summary: Briefly explain what the student will learn in this topic (5-6 sentences).
         2. Introduction to the topic: Provide background information about the topic before breaking it down into subtopics.
-        3. Subtopics: Explain each subtopic in detail, providing real-life examples where necessary. For each subtopic, Describe images that could help explain the topic in detail using text instead of actual images. Use this format: [Picture: Image description]. The total number of images should not exceed 3.
+        3. Subtopics: Explain each subtopic in detail, providing real-life examples where necessary. For each subtopic, Describe images that could help explain the topic in detail using text instead of actual images. 
+        Use this format: [Picture: Image description]. Dont provide more than 3 [Picture: Image description].  
         4. Activities: After each subtopic, provide small exercises or activities that the student can do to enhance understanding (Activities).
         5. Practice questions: Provide 6-8 questions related to the topic to reinforce the student's understanding.