[libsycl] Add Maintainers.md file (llvm#168550)

Signed-off-by: Tikhomirova, Kseniya <[email protected]>

Author: KseniyaTikhomirova

libsycl/Maintainers.md

@@ -0,0 +1,13 @@
+# libsycl Maintainers
+
+This file is a list of the
+[maintainers](https://llvm.org/docs/DeveloperPolicy.html#maintainers) for
+the SYCL Runtime library.
+
+# Current Maintainers
+
+Alexey Bader \
+| [email protected] (email), bader (GitHub, Discord, Discourse)
+
+Kseniya Tikhomirova \
+| [email protected] (email), KseniyaTikhomirova (GitHub, Discourse)

llvm/Maintainers.md

@@ -511,6 +511,8 @@ Some subprojects maintain their own list of per-component maintainers.
 
 [libclc maintainers](https://github.com/llvm/llvm-project/blob/main/libclc/Maintainers.md)
 
+[libsycl maintainers](https://github.com/llvm/llvm-project/blob/main/libsycl/Maintainers.md)
+
 [LLD maintainers](https://github.com/llvm/llvm-project/blob/main/lld/Maintainers.md)
 
 [LLDB maintainers](https://github.com/llvm/llvm-project/blob/main/lldb/Maintainers.md)