event loop with threadmgr

lib/thread_mgr/thread_mgr.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "../backends/backend.hpp"
+#include "../config/config.hpp"
+
+namespace anthracite::thread_mgr {
+    class thread_mgr {
+    protected:
+        bool _run;
+        backends::backend& _backend;
+        config::config& _config;
+    public:
+        thread_mgr(backends::backend& backend, config::config& config): _backend(backend), _config(config) {} 
+        virtual ~thread_mgr() = default;
+        virtual void start() = 0;
+        virtual void stop() = 0;
+    };
+};