Add OIDC dashboard auth (#1020)

src/lib/db/repos/settingsRepo.js

@@ -17,6 +17,12 @@ const DEFAULT_SETTINGS = {
   comboStrategies: {},
   requireLogin: true,
   tunnelDashboardAccess: true,
+  authMode: "password",
+  oidcIssuerUrl: "",
+  oidcClientId: "",
+  oidcClientSecret: "",
+  oidcScopes: "openid profile email",
+  oidcLoginLabel: "Sign in with OIDC",
   enableObservability: true,
   observabilityMaxRecords: 1000,
   observabilityBatchSize: 20,