feat(CIE): Implement OIDC RP Service with login, callback, and session management

migrations/012_oidc_session_result_token.sql

@@ -0,0 +1,6 @@
+ALTER TABLE oidc_authentications
+    ADD COLUMN session_token VARCHAR(255) NULL AFTER authenticated_user_id,
+    ADD COLUMN session_token_expires_at DATETIME NULL AFTER session_token;
+
+CREATE UNIQUE INDEX oidc_authentications_session_token_unique
+    ON oidc_authentications (session_token);