Added initial forgejo actions config

.forgejo/workflows/build.yml

@@ -0,0 +1,16 @@
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+          check-latest: true
+          cache-dependency-path: "**/*.sum"
+      - run: go build
+      - uses: actions/upload-artifact@v3
+        with:
+          name: fj
+          path: fj