Update codeowners for docs (ROCm#100)

.github/CODEOWNERS

@@ -1,6 +1,4 @@
 # Documentation files
-docs/* @saadrahim @LisaDelaney
-*.md  @saadrahim @LisaDelaney
-*.rst  @saadrahim @LisaDelaney
-# Header directory
-library/include/*  @saadrahim @LisaDelaney
+docs/* @ROCm/rocm-documentation
+*.md @ROCm/rocm-documentation
+*.rst @ROCm/rocm-documentation