[#130] Add service healthcheck and allow to skip version check for some binaries

Signed-off-by: Andrey Berezin <a.berezin@yadro.com>

src/frostfs_testlib/healthcheck/interfaces.py

@@ -15,3 +15,7 @@ class Healthcheck(ABC):
     @abstractmethod
     def storage_healthcheck(self, cluster_node: ClusterNode):
         """Perform storage service healthcheck on target cluster node"""
+
+    @abstractmethod
+    def services_healthcheck(self, cluster_node: ClusterNode):
+        """Perform service status check on target cluster node"""