feat: Add basic ci

.forgejo/actions/setup/action.yml

@@ -0,0 +1,15 @@
+name: "Setup Environment"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - uses: actions/setup-node@v5
+      with:
+        node-version: 24
+    - uses: oven-sh/setup-bun@v2
+      with:
+        bun-version: latest
+    - name: Install dependencies
+      run: bun install

.forgejo/workflows/ci.yml

@@ -0,0 +1,14 @@
+name: CI
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: setup
+        uses: ./.forgejo/actions/setup
+      - name: build
+        run: bun run build