feat: add code quality tools and pre-commit configuration

- Add pre-commit hooks with Black, Flake8, isort, and MyPy
- Configure pyproject.toml for consistent code formatting
- Set up automated code quality checks on commits
- Include trailing whitespace and file formatting hooks
- Configure type checking and import sorting standards

Author: Neverdecel

.pre-commit-config.yaml

@@ -0,0 +1,36 @@
+repos:
+  - repo: https://github.com/psf/black
+    rev: 23.12.1
+    hooks:
+      - id: black
+        language_version: python3
+        args: ['--line-length=88']
+  
+  - repo: https://github.com/pycqa/flake8
+    rev: 7.0.0
+    hooks:
+      - id: flake8
+        args: ['--max-line-length=88', '--ignore=E203,W503']
+  
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+      - id: isort
+        args: ["--profile", "black"]
+  
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.8.0
+    hooks:
+      - id: mypy
+        additional_dependencies: [types-all]
+        args: [--ignore-missing-imports, --no-strict-optional]
+  
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: debug-statements

pyproject.toml

@@ -0,0 +1,30 @@
+[tool.black]
+line-length = 88
+target-version = ['py38']
+include = '\.pyi?$'
+extend-exclude = '''
+/(
+    # directories
+    \.eggs
+  | \.git
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | build
+  | dist
+)/
+'''
+
+[tool.isort]
+profile = "black"
+multi_line_output = 3
+line_length = 88
+known_first_party = ["coderag"]
+
+[tool.mypy]
+python_version = "3.8"
+ignore_missing_imports = true
+disallow_untyped_defs = false
+warn_unused_ignores = true
+warn_redundant_casts = true
+check_untyped_defs = true