(package): 🦋 changesets 버전 관리 시스템 설정

refetti 패키지의 버전 관리 및 npm 배포를 위해 changesets 추가

주요 변경사항:
- @changesets/cli 설치 및 초기화
- .changeset/config.json 설정 (access: public, ignore: app)
- release 워크플로우 추가 (자동 버전 업데이트 및 npm 배포)
- package.json에 changeset/version/release 스크립트 추가
- refetti v0.1.0 초기 릴리스 changeset 생성

사용법:
- pnpm changeset: 새로운 변경사항 기록
- pnpm version-packages: 버전 업데이트 및 CHANGELOG 생성
- pnpm release: 빌드 후 npm 배포

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: puffcocos

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@3.1.2/schema.json",
+  "changelog": "@changesets/cli/changelog",
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "public",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "ignore": ["@confetti-editor/app"]
+}

.changeset/initial-release.md

@@ -0,0 +1,14 @@
+---
+"refetti": minor
+---
+
+Initial release of refetti - A modern React confetti library
+
+Features:
+- Built on canvas-confetti with enhanced TypeScript support
+- Custom vendors directory for canvas-confetti (improved bundle control)
+- useConfetti hook for easy integration
+- Support for custom shapes (SVG, Path)
+- Frame-based animation system with fireFrame
+- Smart worker mode detection for mixed shape types
+- Custom canvas support with setConfettiCanvasRef

.github/workflows/release.yml

@@ -0,0 +1,52 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+  pull-requests: write
+  id-token: write
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.13.1
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build packages
+        run: pnpm run build
+
+      - name: Create Release Pull Request or Publish to npm
+        id: changesets
+        uses: changesets/action@v1
+        with:
+          publish: pnpm run release
+          version: pnpm run version-packages
+          commit: '🦋 Version Packages'
+          title: '🦋 Version Packages'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

package.json

@@ -5,9 +5,13 @@
   "scripts": {
     "build": "pnpm -r build",
     "dev": "pnpm --filter @confetti-editor/app dev",
-    "typecheck": "pnpm -r typecheck"
+    "typecheck": "pnpm -r typecheck",
+    "changeset": "changeset",
+    "version-packages": "changeset version",
+    "release": "pnpm build && changeset publish"
   },
   "devDependencies": {
+    "@changesets/cli": "^2.29.8",
     "typescript": "^5.9.2"
   },
   "packageManager": "pnpm@10.13.1"