chore: pnpm workspace — landing, api, shared

apps/landing: Next.js 16 (App Router, standalone), Tailwind 4, ESLint
с запретом импорта из api. apps/api: Hono + better-sqlite3, сборка tsup,
/api/health. packages/shared: исходники TS без сборки. Vitest projects.

apps/api/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@kvarta/api",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsup",
+    "start": "node dist/index.js",
+    "typecheck": "tsc -p ."
+  },
+  "dependencies": {
+    "@hono/node-server": "^2.1.5",
+    "better-sqlite3": "^13.0.3",
+    "hono": "^4.13.13"
+  },
+  "devDependencies": {
+    "@kvarta/shared": "workspace:*",
+    "@types/better-sqlite3": "^9.6.0",
+    "tsup": "^9.0.0",
+    "tsx": "^4.20.0"
+  }
+}