Update Readme to reflect rustls and Windows

Author: eaufavor

.bleep

@@ -1 +1 @@
-bbcce2850360af2c4b60120842701a1dd86b35cc
+360e825c3e129a1642a3d4a42ab390b0b3a7b2e2

README.md

@@ -10,7 +10,7 @@ Pingora is battle tested as it has been serving more than 40 million Internet re
 ## Feature highlights
 * Async Rust: fast and reliable
 * HTTP 1/2 end to end proxy
-* TLS over OpenSSL or BoringSSL
+* TLS over OpenSSL, BoringSSL or rustls(experimental).
 * gRPC and websocket proxying
 * Graceful reload
 * Customizable load balancing and failover strategies
@@ -50,6 +50,8 @@ Linux is our tier 1 environment and main focus.
 
 We will try our best for most code to compile for Unix environments. This is for developers and users to have an easier time developing with Pingora in Unix-like environments like macOS (though some features might be missing)
 
+Windows support is preliminary by community's best effort only.
+
 Both x86_64 and aarch64 architectures will be supported.
 
 ## Rust version