add data/ to .gitignore

Author: Alex

.gitignore

@@ -8,7 +8,10 @@ venv*
 __pycache__
 .ipynb_checkpoints
 
+## Project
+data
 
 # files
 
+## Mac OS
 .DS_Store

Lesson 4.ipynb

@@ -207,7 +207,16 @@
  },
  {
  "cell_type": "code",
- "execution_count": 4,
+ "execution_count": 1,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "!mkdir -p data"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
  "metadata": {},
  "outputs": [],
  "source": [