wiki: Improve home page

docs/wiki/Development:-Documenting-niri.md

@@ -2,7 +2,7 @@ niri's documentation files are found in `docs/wiki/` and should be viewable and
 
 - The GitHub repo's markdown file preview
 - [The GitHub repo's wiki](https://github.com/YaLTeR/niri/wiki)
-- The documentation site
+- [The documentation site](https://yalter.github.io/niri/)
 
 ## The GitHub repo's wiki
 
@@ -82,4 +82,4 @@ If the language used in the snippet is KDL, open the code block like this:
 
 ```md
 ```kdl
-```
+```

docs/wiki/README.md

@@ -2,10 +2,14 @@ Welcome to the niri documentation!
 
 Feel free to look through usage and [Getting started](./Getting-Started.md).
 If you're looking for ways to configure niri, check out the [introduction to configuration](./Configuration:-Introduction.md).
-If you want to contribute to niri, look at the development section and [how to develop niri](./Development:-Developing-niri.md).
+
+If you'd like to help with niri, there are plenty of both coding- and non-coding-related ways to do so.
+See [CONTRIBUTING.md](https://github.com/YaLTeR/niri/blob/main/CONTRIBUTING.md) for an overview.
 
 If you're not already here, check out our new wiki website! https://yalter.github.io/niri/
 
 ---
 
-The documentation is open to contribution, but please discuss bigger changes in [our Matrix room](https://matrix.to/#/#niri:matrix.org) first! The wiki is generated from files in the `docs/wiki/` folder of the repository, so you can open a pull request modifying it there.
+The documentation is open to contribution, see [Documenting niri](./Development:-Documenting-niri.md).
+Please discuss bigger changes in [our Matrix room](https://matrix.to/#/#niri:matrix.org) first!
+The wiki is generated from files in the `docs/wiki/` folder of the repository, so you can open a pull request modifying it there.