init: scaffold complet Sakuin — backend NestJS + frontend SvelteKit + CI/CD + deploy VPS

Backend: 5 modules (auth, user, work, list, health), AniList GraphQL proxy,
SuperOAuth PKCE introspection, XP system, migrations TypeORM.
Frontend: SvelteKit adapter-node, PWA manifest, dark theme, pages home/search/list/profile/callback.
Infra: CI/CD Gitea vps-runner, Apache vhost SSL, pm2 sakuin-backend + sakuin-frontend, port 4002.
License: BSL 1.1 (Apache 2.0 en 2028).

backend/tsconfig.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "ES2021",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "incremental": true,
+    "skipLibCheck": true,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": false,
+    "noImplicitAny": true,
+    "strictBindCallApply": true,
+    "forceConsistentCasingInFileNames": true,
+    "noFallthroughCasesInSwitch": true,
+    "ignoreDeprecations": "6.0",
+    "baseUrl": "./",
+    "paths": {
+      "@/*": ["src/*"]
+    }
+  }
+}