Support services (#42)

Replace #5

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Jason Song <i@wolfogre.com>
Reviewed-on: https://gitea.com/gitea/act/pulls/42
Reviewed-by: Jason Song <i@wolfogre.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>

act/container/docker_network.go

@@ -0,0 +1,38 @@
+package container
+
+import (
+	"context"
+
+	"github.com/docker/docker/api/types"
+	"github.com/nektos/act/pkg/common"
+)
+
+func NewDockerNetworkCreateExecutor(name string) common.Executor {
+	return func(ctx context.Context) error {
+		cli, err := GetDockerClient(ctx)
+		if err != nil {
+			return err
+		}
+
+		_, err = cli.NetworkCreate(ctx, name, types.NetworkCreate{
+			Driver: "bridge",
+			Scope:  "local",
+		})
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+}
+
+func NewDockerNetworkRemoveExecutor(name string) common.Executor {
+	return func(ctx context.Context) error {
+		cli, err := GetDockerClient(ctx)
+		if err != nil {
+			return err
+		}
+
+		return cli.NetworkRemove(ctx, name)
+	}
+}