chore: set up JSR package configuration and publish workflow

.github/workflows/jsr-publish.yml

@@ -0,0 +1,27 @@
+name: Publish
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+      - uses: oven-sh/setup-bun@v2
+      - run: |
+          bun install
+          bun run build
+      - name: Publish package
+        run: bunx jsr publish

jsr.json

@@ -0,0 +1,14 @@
+{
+  "name": "@kunkun/kunkun-ext-youtube-downloader",
+  "version": "0.1.0",
+  "license": "MIT",
+  "exports": "./mod.ts",
+  "imports": {
+    "@distube/yt-dlp": "npm:@distube/yt-dlp@^2.0.1",
+    "@distube/ytdl-core": "npm:@distube/ytdl-core@^4.15.9",
+    "@hk/photographer-toolbox": "jsr:@hk/photographer-toolbox@^0.1.12",
+    "@kunkun/api": "jsr:@kunkun/api@^0.0.52",
+    "@std/assert": "jsr:@std/assert@1",
+    "fluent-ffmpeg": "npm:fluent-ffmpeg@^2.1.3"
+  }
+}