GitHub Actions, PKCE Downgrade 추가, PlayGround 추가

.github/workflows/main.yml

@@ -0,0 +1,43 @@
+name: Build and Upload Caido Plugin
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: |
+          bun install
+
+      - name: Build plugin
+        run: |
+          bun run build
+
+      - name: Archive built plugin
+        run: |
+          mkdir -p dist-artifact
+          cp -r dist/* dist-artifact/
+          # 만약 manifest.json도 포함되어야 한다면
+          cp manifest.json dist-artifact/
+
+      - name: Upload plugin artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: caido-plugin
+          path: dist-artifact