chore: initial scaffold for @marketplaces/auth and @marketplaces/payment

packages/auth/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@marketplaces/auth",
+  "version": "0.1.0",
+  "description": "Shared customer + admin auth client (VK ID/OTP/session, ed25519 admin verification, guards, interceptors) for marketplaces projects.",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "files": ["dist"],
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "test": "echo \"no tests yet\" && exit 0"
+  },
+  "peerDependencies": {
+    "@angular/core": ">=22.0.0",
+    "@angular/common": ">=22.0.0",
+    "rxjs": ">=7.8.0"
+  },
+  "publishConfig": {
+    "access": "restricted"
+  },
+  "license": "UNLICENSED"
+}