Much improve README, mostly with installation instructions

README.md

@@ -6,11 +6,26 @@ Initially for [Pomodoro Prompt](https://gitlab.com/agaric/python/pomodoroprompt)
 
 Pmodoro Prompt is extremely simplistic, and only has a description field and automatically saves the date.  The time unit for each entry is half an hour.
 
+## Installation
+
+```
+mkdir -p ~/Projects/agaric/python                                                                              
+git clone git@gitlab.com:agaric/python/pomodoroprompt.git
+cd pomodoroprompt
+python -m pip install --user -r requirements.txt
+```
+
+## Usage
+
+```bash
+python3 pomodoro_to_harvest.py
+```
+
+## Background notes
+
 To import into a timetracking system of any sophistication, we need to parse our description and 
 
-Harvest allows CSV import, with the fields:
-
-date,project,description
+Harvest allows CSV import, with a bunch of annoying fields.
 
 If project doesn't exist it will create a new project.