feat: add alpine ci

.forgejo/workflows/build-alpine.yml

@@ -0,0 +1,20 @@
+on: 
+  - workflow-dispatch
+  - push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: alpine:edge
+
+    steps:
+      - name: set up node (for checkout)
+        run: apk update; apk upgrade; apk add nodejs
+      - uses: actions/checkout@v4
+      # - uses: https://code.forgejo.org/actions/checkout
+      
+      - name: setup alpine-sdk 
+        run: apk add alpine-sdk
+
+# vim: shiftwidth=2