Add library support table and other doc updates

1. Library support table
2. Update README to include latest speedup stats (up to 2x)
3. Fix broken playground link in quickstart

README.md

@@ -3,9 +3,9 @@
 Kotlin Symbol Processing (KSP) is an API that you can use to develop
 lightweight compiler plugins. KSP provides a simplified compiler plugin
 API that leverages the power of Kotlin while keeping the learning curve at
-a minimum. Compared to KAPT, annotation processors that use KSP can run 25% faster.
+a minimum. Compared to KAPT, annotation processors that use KSP can run up to 2x faster.
 
-Here are more details on [why considering KSP](/docs/why-ksp.md) over other alternatives.
+To learn more about how KSP compares to KAPT, check out [why KSP](/docs/why-ksp.md). To get started writing a KSP processor, take a look at the [KSP quickstart](/docs/quickstart.md).
 
 ## Overview
 
@@ -162,4 +162,17 @@ or connecting with our team in the `#ksp` channel in the
 Here are some planned features that have not yet been implemented:
 
 * Make the IDE aware of the generated code.
-* Support Kotlin Multiplatform.
+* Support Kotlin Multiplatform.
+
+## Supported libraries
+
+The table below includes a list of popular libraries on Android and their various stages of support for KSP. If your library is missing, please feel free to submit a pull request.
+
+|Library|Status|Tracking issue for KSP|
+|---|---|---|
+|Room|In progress|[Link](https://issuetracker.google.com/160322705)|
+|Moshi|[Experimentally supported](https://github.com/ZacSweers/MoshiX/tree/main/moshi-ksp)|   |
+|Auto Factory|Not yet supported|[Link](https://github.com/google/auto/issues/982)|
+|Dagger|Not yet supported|[Link](https://github.com/google/dagger/issues/2349)|
+|Hilt|Not yet supported|[Link](https://issuetracker.google.com/179057202)|
+|Glide|Not yet supported|[Link](https://github.com/bumptech/glide/issues/4492)|

docs/quickstart.md

@@ -1,6 +1,6 @@
 # Quickstart
 
-Here's a sample processor that you can check out: https://github.com/google/ksp/releases/download/1.4.20-dev-experimental-20210120/playground-ksp-1.4.20-dev-experimental-20210120.zip
+[Here's](https://github.com/google/ksp/releases/download/1.4.20-dev-experimental-20210120/playground.zip) a sample processor that you can check out.
 
 ## Create a processor of your own