test(e2e): add rh-identity auth configuration files

Add configuration files for e2e testing with rh-identity authentication
module enabled for both server-mode and library-mode deployments.

Both configs require the 'rhel' entitlement for validation testing.

Signed-off-by: Major Hayden <major@redhat.com>

Author: major

tests/e2e/configuration/library-mode/lightspeed-stack-auth-rh-identity.yaml

@@ -0,0 +1,24 @@
+name: Lightspeed Core Service (LCS) - RH Identity Auth
+service:
+  host: 0.0.0.0
+  port: 8080
+  auth_enabled: true
+  workers: 1
+  color_log: true
+  access_log: true
+llama_stack:
+  use_as_library_client: true
+  library_client_config_path: run.yaml
+user_data_collection:
+  feedback_enabled: true
+  feedback_storage: "/tmp/data/feedback"
+  transcripts_enabled: true
+  transcripts_storage: "/tmp/data/transcripts"
+conversation_cache:
+  type: "sqlite"
+  sqlite:
+    db_path: "/tmp/data/conversation-cache.db"
+authentication:
+  module: "rh-identity"
+  rh_identity_config:
+    required_entitlements: ["rhel"]

tests/e2e/configuration/server-mode/lightspeed-stack-auth-rh-identity.yaml

@@ -0,0 +1,25 @@
+name: Lightspeed Core Service (LCS) - RH Identity Auth
+service:
+  host: 0.0.0.0
+  port: 8080
+  auth_enabled: true
+  workers: 1
+  color_log: true
+  access_log: true
+llama_stack:
+  use_as_library_client: false
+  url: http://llama-stack:8321
+  api_key: xyzzy
+user_data_collection:
+  feedback_enabled: true
+  feedback_storage: "/tmp/data/feedback"
+  transcripts_enabled: true
+  transcripts_storage: "/tmp/data/transcripts"
+conversation_cache:
+  type: "sqlite"
+  sqlite:
+    db_path: "/tmp/data/conversation-cache.db"
+authentication:
+  module: "rh-identity"
+  rh_identity_config:
+    required_entitlements: ["rhel"]