Add initial distributor CLI skeleton

cmd/distributor/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"context"
+	"os"
+
+	"gitea.maximumdirect.net/eric/distributor/internal/cli"
+)
+
+func main() {
+	os.Exit(cli.Execute(context.Background(), os.Args[1:], os.Stdout, os.Stderr))
+}