fix(network): Correct listener rule condition and add outputs

- Fix ElasticLoadBalancingV2ListenerRuleForgejo condition format
- Add ListenerRuleForgejoArn output export
- Update TargetGroupArn description to specify "blue" target group
- Update Skill.md documentation for commit message format guidelines

infra/cfn/forgejo-network.yaml

@@ -70,9 +70,7 @@ Resources:
             Weight: 1
       Priority: 1
       Conditions:
-      - Values:
-        - "git.n-daisuke897.com"
-        HostHeaderConfig:
+      - HostHeaderConfig:
           Values:
           - "git.n-daisuke897.com"
         Field: "host-header"
@@ -81,7 +79,13 @@ Resources:
 Outputs:
 
   TargetGroupArn:
-    Description: ARN of the Forgejo target group
+    Description: ARN of the Forgejo blue target group
     Value: !Ref ElasticLoadBalancingV2TargetGroupForgejo
     Export:
       Name: !Sub "${AWS::StackName}-TargetGroupArn"
+
+  ListenerRuleForgejoArn:
+    Description: ARN of the Forgejo listener rule
+    Value: !GetAtt ElasticLoadBalancingV2ListenerRuleForgejo.RuleArn
+    Export:
+      Name: !Sub "${AWS::StackName}-ListenerRuleForgejoArn"