Create go.yml

.github/workflows/go.yml

@@ -0,0 +1,20 @@
+name: Go CI
+
+on:
+  workflow_dispatch:
+  schedule:
+  - cron: '0 0 * * *'
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.20'
+
+    - name: Test
+      run: go test ./core/... -v -cover