Steps to run -
1. Install scrappy
2. CHeckout py_samples
3. Setup productSpecs table
4. run the scrapper and generate the json file in py_samples/data folder
5. run the cmd python3 productScrapperMain.py


to_do :
1. scrape all category page and prepare catid,catname json  : sumit
2. read json and run the scrapping in loop : Sumit
3. write method to updat the product main image url :sandesh
4. write method to store the product rating table  userId = 3 :sandesh