changes upper and lower bounds for inference grading

removed final summary print table

fixed scoring and logging for final submission

fix dot env load issue in inference.py

black format and isort code

logging whole action response from llm in inference.py

fixed issues in SQL schema not available to agent and code parsing issues

added 2 new hard tasks 1 medium and grader for each, SQL DB mock data for hard task

added start step and end logging in inference.py

fixed action parsing issues in inference.py and increased concurrent env in server/app.py

added start step and end logs in inference.py

made changes to use apis from terminal in inferece.py and pointing direct to hf space for env evaluation

added inference.py script