diff --git a/.gitignore b/.gitignore
index e69de29..8e91660 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,17 @@
+# Python
+.venv/
+__pycache__/
+*.pyc
+
+# tooling
+.pytest_cache/
+.ruff_cache/
+
+# editors
+.idea/
+
+# OS noise
+.DS_Store
+
+# Critical
+.env
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index e69de29..9ef38e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -0,0 +1,2 @@
+[tool.pytest.ini_options]
+pythonpath = ["."]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index e69de29..6688e59 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+ruff == 0.15.1
+black == 26.1.0
+pytest == 9.0.2
+pre-commit == 4.5.1
\ No newline at end of file
diff --git a/src/moduleA.py b/src/moduleA.py
index b7f0906..03aed26 100644
--- a/src/moduleA.py
+++ b/src/moduleA.py
@@ -1,3 +1,4 @@
+# small change for pull request
 def addition(a=1, b=2):
     return a + b