OAuth2 OpenID Connect provider support, API and DB refactoring (#3)

Allows Paskia to authenticate the user to a client site.
- User friendly client registration flow on the admin app
- Redirect-based authentication flow (per spec)
- Backchannel logout both ways to keep sessions synchronized
- Groups integrated with Paskia's permission system
- Adds email, preferred username and telephone fields on user profile
- All new user basic info layout to show the new information, better looks
- API and DB structures redesigned
- Various unrelated fixes to theming and layout

e2e/package.json

@@ -5,18 +5,18 @@
   "description": "E2E tests for Paskia using Playwright with Virtual Authenticator",
   "type": "module",
   "scripts": {
-    "test": "bunx playwright test",
-    "test:headed": "bunx playwright test --headed",
-    "test:debug": "bunx playwright test --debug",
-    "test:ui": "bunx playwright test --ui",
-    "test:coverage": "COVERAGE=1 bunx playwright test",
-    "report": "bunx playwright show-report",
-    "install:browsers": "bunx playwright install chromium"
+    "test": "npx playwright test",
+    "test:headed": "npx playwright test --headed",
+    "test:debug": "npx playwright test --debug",
+    "test:ui": "npx playwright test --ui",
+    "test:coverage": "COVERAGE=1 npx playwright test",
+    "report": "npx playwright show-report",
+    "install:browsers": "npx playwright install chromium"
   },
   "devDependencies": {
     "@playwright/test": "^1.49.0",
     "@simplewebauthn/browser": "^13.1.2",
-    "@types/bun": "^1.3.3",
+    "@types/node": "*",
     "c8": "^10.1.3"
   }
 }