feat: configure package.json for @cameleer/design-system publishing

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -1,11 +1,30 @@
 {
-  "name": "cameleer3",
-  "private": true,
-  "version": "0.0.0",
+  "name": "@cameleer/design-system",
+  "version": "0.1.0",
   "type": "module",
+  "main": "./dist/index.es.js",
+  "module": "./dist/index.es.js",
+  "types": "./dist/index.es.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.es.d.ts",
+      "import": "./dist/index.es.js"
+    },
+    "./style.css": "./dist/style.css"
+  },
+  "files": ["dist"],
+  "sideEffects": ["*.css"],
+  "publishConfig": {
+    "registry": "https://gitea.siegeln.net/api/packages/cameleer/npm/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://gitea.siegeln.net/cameleer/design-system.git"
+  },
   "scripts": {
     "dev": "vite",
     "build": "tsc -b && vite build",
+    "build:lib": "vite build --config vite.lib.config.ts",
     "lint": "eslint .",
     "preview": "vite preview",
     "test": "vitest"
@@ -15,6 +34,11 @@
     "react-dom": "^19.0.0",
     "react-router-dom": "^7.0.0"
   },
+  "peerDependencies": {
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
+    "react-router-dom": "^7.0.0"
+  },
   "devDependencies": {
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^16.3.0",