Add stuff to guides index [skip ci]

docs/guides/index.md

@@ -1,3 +1,11 @@
 # Guides
-
 There aren't any guides yet. But when there are, they'll be listed here.
+
+### Contributing
+If you'd like to write a guide, you can make a [pull request](https://github.com/KadeDev/Kade-Engine/pulls). Make sure you put the guide in `docs/guides/` and that it's written in Markdown.
+
+Guides that need to be written:
+- How to use the charting state/chart editor
+- How to make custom weeks
+- How to make custom dialogue (like Week 6)
+- How to make custom characters