feat(plan): add plan command to create build plans

pkg/gh/gh.go

@@ -0,0 +1,24 @@
+package gh
+
+import (
+	"context"
+	"os"
+
+	"github.com/google/go-github/v35/github"
+	"golang.org/x/oauth2"
+)
+
+func New(ctx context.Context, token string) *github.Client {
+	if token == "" {
+		token = os.Getenv("GITHUB_TOKEN")
+	}
+
+	if token == "" {
+		return github.NewClient(nil)
+	}
+
+	ts := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
+	tc := oauth2.NewClient(ctx, ts)
+
+	return github.NewClient(tc)
+}