Update README

Author: Rigellute

README.md

@@ -2,12 +2,26 @@
 
 Website for viewing up-to-date statistics for codebar.
 
+## Setup up
+
+Make sure node is installed - I recommend using [nvm](https://github.com/nvm-sh/nvm).
+
+This project uses [yarn workspaces](https://classic.yarnpkg.com/en/docs/cli/workspace#search), so you'll need to install the dependency manager [yarn](https://classic.yarnpkg.com).
+
+Install packages needed for this project:
+
+```sh
+yarn
+```
+
 ## Fetching the data
 
 This repo contains a [script](./get-data/index.js) for running SQL queries against the codebar Postgres database.
 
 The script writes the result of the queries to the [data](./www/data) directory within the front end.
 
+To fetch the data, run
+
 ```sh
 yarn data
 ```
@@ -18,6 +32,8 @@ yarn data
 DB_URL=<databse-url>
 ```
 
+The databse url can be found in Heroku.
+
 ## Start the frontend
 
 ```sh
@@ -31,7 +47,3 @@ See more [here](./www)
 Simply pushing to `master` will trigger Github Actions to run checks and then deploy to Github Pages.
 
 Read more [here](./www/README.md).
-
-## TODO
-
-- [ ] Setup Github Actions to run the data fetching script once a day