Update README for the compiler support

Fix #361

Author: kito-cheng

README.md

@@ -6,6 +6,8 @@ Working draft for the RISC-V vector specification are under [doc/](doc/), intrin
 Please check out the latest intrinsics specification under
 [Releases](https://github.com/riscv-non-isa/rvv-intrinsic-doc/releases).
 
+[Clang 19](https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/docs/RISCV/RISCVVectorExtension.rst) and [GCC 14](https://github.com/gcc-mirror/gcc/tree/releases/gcc-14) supports the [v1.0](https://github.com/riscv-non-isa/rvv-intrinsic-doc/tree/v1.0.x) version.
+
 [Clang 17](https://releases.llvm.org/17.0.1/tools/clang/docs/ReleaseNotes.html) and [GCC trunk](https://github.com/gcc-mirror/gcc/tree/master) supports the [v0.12](https://github.com/riscv-non-isa/rvv-intrinsic-doc/releases/tag/v0.12.0) version, no more incompatibility will be introduced.
 
 [Clang 16](https://releases.llvm.org/16.0.0/tools/clang/docs/ReleaseNotes.html) and