docs update and add autoflake

Author: thesujai

.pre-commit-config.yaml

@@ -26,6 +26,11 @@ repos:
       name: Linting-cli
       entry: bash -c 'cd cli && yarn lint-fix'
       language: system
+  - repo: https://github.com/PyCQA/autoflake
+    rev: v2.3.1
+    hooks:
+    - id: autoflake
+      args: [--remove-all-unused-imports, --in-place]
   # black fixes code, so let it be at the last
   - repo: https://github.com/psf/black
     rev: 24.8.0

CONTRIBUTING.md

@@ -24,9 +24,10 @@ Please follow the existing code style and conventions used in the project. If yo
 
 ## Making Commits
 
-1. Pre-commit should be installed as a dev dependency already. If not run the follwoing command from project root dir:
+1. Pre-commit should be installed as a dev dependency already. If not then Create a virual environment [venv](https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/#create-and-use-virtual-environments) or [pyenv](https://github.com/pyenv/pyenv?tab=readme-ov-file#installation) and run the follwoing command from project root dir:
+
     ```
-    pip install backend/dev-requirements.txt --upgrade
+    pip install -r backend/dev-requirements.txt --upgrade
     ```
     Then install it:
     ```