added examples

docs/build/_sources/index/usage.rst.txt

@@ -0,0 +1,16 @@
+Usage
+=====
+
+Installation
+------------
+
+To use fn_gen, you need to first build it using python build:
+
+.. code-block:: console
+
+	(.venv) $ pip install build
+	(.venv) $ python -m build
+	(.venv) $ deactivate
+	$ pip install dist/fn_gen-0.0.1-py3-none-any.whl 
+	
+