Update README

Author: Jordan Potter

README.md

@@ -1,5 +1,38 @@
-# DaggerSearch Data
+# Daggerheart Data
 
-### Darrington Press Community Gaming License
+This repository provides JSON game data and schema definitions for the [Daggerheart System Reference Document (SRD)](https://www.daggerheart.com/srd/). Use these files to build custom websites, bots, tools, and more for our favorite TTRPG!
+
+For example, this data powers [daggersearch.com](https://daggersearch.com)
+
+## Darrington Press Community Gaming License
 
 This product includes materials from the Daggerheart System Reference Document 1.0, © Critical Role, LLC. under the terms of the Darrington Press Community Gaming (DPCGL) License. More information can be found at https://www.daggerheart.com. There are no previous modifications by others.
+
+## Structure
+
+Releases have their own directory (e.g. `core`) that contains JSON files for ancestries, communities, subclasses, domain cards, etc.
+
+The `_schemas` directory contains JSON schemas that validate the JSON files in release directories.
+
+## Contributing
+
+[Create a fork](https://github.com/daggersearch/daggerheart-data/fork) of this repository, then clone your fork and install dependencies:
+
+```bash
+git clone https://github.com/YOUR-USERNAME/daggerheart-data.git
+cd daggerheart-data
+npm install
+```
+
+After making any changes, format and validate by running:
+
+```bash
+npm run format
+npm run validate
+```
+
+When you're done, push your changes and open a pull request!
+
+## Support
+
+For questions or issues, please [open an issue](https://github.com/daggersearch/daggerheart-data/issues) on GitHub.