Add contribution instructions

README.md

@@ -7,3 +7,15 @@ Learn the Animal Restaurant customers
 
 ### animal-restaurant-promotions
 Learn to read the promotions
+
+### animal-restaurant-conversations
+Learn to read the conversations customers have with the chef and about the restaurant
+
+## Contributing
+This repo uses CrowdAnki to update the deck. See [Export](https://github.com/Stvad/CrowdAnki#export) instructions. 
+
+### Creating/Updating a Card
+Create and update cards using the AnkiWeb app. Then follow CrowdAnki's instruction to export and submit a pull request
+
+### Changing the template
+When making a template change (ex. adding a new field), each deck needs to be updated to contain the new field. Export all the decks with the new format and include them in your pull request