docs: move feature descriptions to separate md files

README Features now only links to docs/index.md; detailed
descriptions live in per-feature docs/ files.

README.md

@@ -34,10 +34,7 @@ By flashing this kernel, **YOU** are choosing to make these modifications. If so
 
 ## Features
 
-- **KernelSU**: A root solution for Android GKI devices that works in kernel mode and grants root permission to userspace applications directly in kernel space
-- **SUSFS**: An addon root hiding kernel patches and userspace module for KernelSU
-
-Full feature documentation: **[Kernel Features Documentation](docs/index.md)**
+See **[Kernel Features Documentation](docs/index.md)** for details on KernelSU, SUSFS, NoMount, Baseband Guard, networking, BPF, and more.
 
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