[Misc] Own KVConnectors installation (vllm-project#24867)

Signed-off-by: NickLucche <[email protected]>

Author: NickLucche

.github/CODEOWNERS

@@ -101,4 +101,7 @@ mkdocs.yaml @hmellor
 /vllm/v1/worker/tpu* @NickLucche
 /vllm/platforms/tpu.py @NickLucche
 /vllm/v1/sample/tpu @NickLucche
-/vllm/tests/v1/tpu @NickLucche
+/vllm/tests/v1/tpu @NickLucche
+
+# KVConnector installation files
+/requirements/kv_connectors.txt @NickLucche