feat: add oidc to admin panel

prisma/app.prisma

@@ -1,7 +1,6 @@
 model ApplicationSettings {
     timestamp DateTime @id @default(now())
 
-    enabledAuthencationMechanisms AuthMec[]
     metadataProviders             String[]
 
     saveSlotCountLimit   Int   @default(5)

prisma/migrations/20250507223112_remove_authentication_option_from_applicationsettings/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `enabledAuthencationMechanisms` on the `ApplicationSettings` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "ApplicationSettings" DROP COLUMN "enabledAuthencationMechanisms";