Use gitea actions to build releases

.gitea/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Build
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  quality:
+    runs-on: alpine-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: |
+          apk add go make
+          export GOPATH=/tmp/go
+          export PATH=$PATH:$GOPATH/bin
+          make build
+      - uses: actions/upload-artifact@v4
+        with:
+          name: mystrom-exporter
+          path: output/mystrom-exporter
+          overwrite: true