Add image and update README.md

.gitignore

@@ -0,0 +1 @@
+.venv/

README.md

@@ -1,7 +1,11 @@
-python -m venv .venv
+![image](doc/window.png)
 
-source ./.venv/bin/activate
-
-pip install -r requirements.txt
-
-python tablesaw.py
+# How to get started
+## Create a python virtual environment
+`python -m venv .venv`
+## Activate the environment
+`source ./.venv/bin/activate`
+## Install requirements
+`pip install -r requirements.txt`
+## Run the UI
+`python tablesaw.py`