Updating freshness tiers for some services

Author: nitinme

docfx.json

@@ -386,10 +386,14 @@
         "articles/ai-services/**/*.yml": "ce-skilling-ai-copilot",
         "articles/ai-services/openai/**/*.md": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
         "articles/ai-services/openai/**/*.yml": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
+        "articles/ai-services/content-understanding/**/*.md": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
+        "articles/ai-services/content-understanding/**/*.yml": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
         "articles/ai-services/anomaly-detector/**/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/anomaly-detector/**/*.yml": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/content-moderator/**/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/content-moderator/**/*.yml": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
+        "articles/ai-services/custom-vision-service/**/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
+        "articles/ai-services/custom-vision-service/**/*.yml": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/metrics-advisor/**/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/metrics-advisor/**/*.yml": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/ai-services/personalizer/**/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
@@ -401,7 +405,8 @@
         "articles/ai-studio/**/*.md": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
         "articles/ai-studio/**/*.yml": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
         "articles/ai-foundry/**/*.md": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
-        "articles/ai-foundry/**/*.yml": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",        "articles/search/**/*.md": "ce-skilling-ai-copilot",
+        "articles/ai-foundry/**/*.yml": "ce-skilling-ai-copilot, ce-skilling-fresh-tier0",
+        "articles/search/**/*.md": "ce-skilling-ai-copilot",
         "articles/search/**/*.yml": "ce-skilling-ai-copilot",
         "articles/machine-learning/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",
         "articles/machine-learning/component-reference/*.md": "ce-skilling-fresh-tier2, ce-skilling-ai-copilot",