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>

pkg/container/host_environment.go

@@ -40,6 +40,12 @@ func (e *HostEnvironment) Create(capAdd []string, capDrop []string) common.Execu
 	}
 }
 
+func (e *HostEnvironment) ConnectToNetwork(name string) common.Executor {
+	return func(ctx context.Context) error {
+		return nil
+	}
+}
+
 func (e *HostEnvironment) Close() common.Executor {
 	return func(ctx context.Context) error {
 		return nil