add: code to download wkhtmltopdf

app.py

@@ -10,6 +10,8 @@ import io
 import markdown2
 import pdfkit
 
+os.system("apt-get update")
+os.system("apt-get install wkhtmltopdf")
 client = Groq(api_key=os.getenv("GROQ_API_KEY"))
 llm_obj = LLMClient(client)
 processor = CodeProcessor(llm_obj)