docs(readme): add worldcup dataset, fix typos and script paths

- Add FIFA World Cup dataset to the list of datasets
- Fix duplicate/typo preparation steps (pyhton → python, clarify process.py vs package.py)
- Fix script path: python package.py → python scripts/package.py
- Split license section to correctly attribute CC-BY-SA 4.0 for worldcup data

Author: olayway

README.md

@@ -2,15 +2,16 @@
 
 # Football datasets
 
-This repository includes 5 major Europe leagues:
+This repository includes 5 major Europe leagues and a World Cup dataset:
 
 - English Premier League – https://datahub.io/football/english-premier-league
 - Spanish La Liga – https://datahub.io/football/spanish-la-liga
 - Italian Serie A – https://datahub.io/football/italian-serie-a
 - German Bundesliga – https://datahub.io/football/german-bundesliga
 - French Ligue 1 – https://datahub.io/football/french-ligue-1
+- FIFA World Cup – https://datahub.io/football/worldcup
 
-Each league has data for the all the seasons. The data is updated on daily basis via Github-Actions.
+Each league has data for all the seasons. The data is updated on a daily basis via GitHub Actions.
 
 ## Data
 
@@ -21,17 +22,19 @@ The data is sourced from the `https://www.football-data.co.uk/` website, dataset
 You need to have Python version >=3.5:
 
 - Install requirements using `pip install -r scripts/requirements.txt`
-- Run the script `python scripts/process.py`
-- Update datapackage `pyhton scripts/process.py`
+- Fetch and process league data: `python scripts/process.py`
+- Generate datapackage.json for each dataset: `python scripts/package.py`
 
 ## Automation
 
 Up-to-date (auto-updates every day) football dataset could be found on the datahub.io: https://datahub.io/football/football-datasets
 
 ## Packaging datasets
 
-Each directory in `datasets/` directory is a data package. It has a common `schema.json` for all its resources. You need to run `python package.py` from root directory to generate `datapackage.json` for each data package.
+Each directory in `datasets/` directory is a data package. It has a common `schema.json` for all its resources. You need to run `python scripts/package.py` from the root directory to generate `datapackage.json` for each data package.
 
 ## License
 
-This Data Package is made available under the Public Domain Dedication and License v1.0 whose full text can be found at: http://www.opendatacommons.org/licenses/pddl/1.0/
+The league datasets are made available under the Public Domain Dedication and License v1.0 whose full text can be found at: http://www.opendatacommons.org/licenses/pddl/1.0/
+
+The World Cup dataset is derived from the [Fjelstul World Cup Database](https://github.com/jfjelstul/worldcup) and is published under the [Creative Commons Attribution-ShareAlike 4.0 International (CC-BY-SA 4.0)](https://creativecommons.org/licenses/by-sa/4.0/) license. Attribution: Joshua C. Fjelstul, Ph.D.