Add 'genai' to cspell ignoreWords

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: slister1001

sdk/evaluation/azure-ai-evaluation/cspell.json

@@ -31,7 +31,8 @@
         "etests",
         "redteam",
         "redef",
-        "smode"
+        "smode",
+        "genai"
     ],
     "ignorePaths": [
         "sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/onedp/models/_enums.py",