Update README

README.md

@@ -8,3 +8,19 @@ It is written in Kotlin and uses Fabric (but also targets Quilt compatibility).
 
 - Wrapper around creating and managing Kotlin coroutines
 - A no-bullshit event bus
+
+Classes and functions are commented with KDoc - check them out for more information.
+
+## Usage
+
+HajLib is available on multiple Maven repositories, under `pm.n2:hajlib`:
+
+- blockbuild (`https://notnite.github.io/blockbuild/mvn/`)
+  - This is the recommended repository to use
+  - See [blockbuild's README](https://github.com/NotNite/blockbuild) for more information
+- JitPack (`https://jitpack.io`)
+  - Group `com.github.n2pm` instead of `pm.n2`
+- GitHub Packages (`https://maven.pkg.github.com/n2pm/hajlib`)
+  - Requires authentication
+
+It is suggested to jar-in-jar HajLib (`modApi()` and `include()`).