feat: kcp 본인인증 가이드 path 추가

Author: moonjihae

src/routes/(root)/opi/ko/_nav.yaml

@@ -40,6 +40,7 @@
       items:
         - /ko/integration/pg/v2/danal-identity-verification
         - /ko/integration/pg/v2/inicis-unified-identity-verification
+        - /ko/integration/pg/v2/kcp-v2-identity-verification
     - /ko/extra/confirm-process/readme-v2
     - slug: /ko/extra/smart-routing/intro
       items:
@@ -148,6 +149,7 @@
             - /ko/extra/identity-verification/v1/credit-auth/2
             - /ko/extra/identity-verification/v1/credit-auth/3
             - /ko/extra/identity-verification/v1/credit-auth/4
+        - slug: /ko/integration/pg/v1/kcp-v2-identity-verification
     - /ko/extra/confirm-process/readme-v1
     - slug: /ko/extra/smart-routing/intro
       items: