Update ADC config to handle /docs route separately

Add a new route for /docs and /docs/* with higher priority. Exclude
/docs from the default route's URI regex to prevent overlap.

helm/api7ee-demo-k8s/templates/configmap-adc.yaml

@@ -27,7 +27,7 @@ data:
             vars:
               - - uri
                 - "~~"
-                - "^(?!/api)"
+                - "^(?!/api|/docs)"
             priority: 1
             plugins:
               {{- if .Values.api7.tls.enabled }}
@@ -47,6 +47,17 @@ data:
               port: 80
               weight: 100
         routes:
+          - name: nginx-api-docs-route
+            uris:
+              - /docs
+              - /docs/*
+            priority: 30
+            plugins:
+              {{- if .Values.api7.tls.enabled }}
+              redirect:
+                http_to_https: true
+              {{- end }}
+
           - name: nginx-api-llm-route
             uris:
               - /api/llm