wslay: init at 1.1.1

Grabbed from #170919

pkgs/by-name/ws/wslay/package.nix

@@ -0,0 +1,26 @@
+{ stdenv, lib, fetchFromGitHub, cmake, cunit }:
+
+stdenv.mkDerivation rec {
+  pname = "wslay";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    owner = "tatsuhiro-t";
+    repo = "wslay";
+    rev = "release-${version}";
+    hash = "sha256-xKQGZO5hNzMg+JYKeqOBsu73YO+ucBEOcNhG8iSNYvA=";
+  };
+
+  checkInputs = [ cunit ];
+  doCheck = true;
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    homepage = "https://tatsuhiro-t.github.io/wslay/";
+    description = "The WebSocket library in C";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ pingiun ];
+    platforms = platforms.unix;
+  };
+}