Add unit test workflow (#2)

Signed-off-by: timflannagan <[email protected]>

Author: timflannagan

.github/workflows/unit.yaml

@@ -0,0 +1,22 @@
+name: unit
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+
+    - name: Run tests
+      run: go test ./...

main_test.go renamed to internal/changelog/changelog_test.go

@@ -1,4 +1,4 @@
-package main
+package changelog_test
 
 import (
 	"context"