feat: update engine features

- WIP start/stop methods
- Remove test module

include/engine/core/engine.hpp

@@ -12,16 +12,32 @@
 class MscEngine : public IMscEngineModuleAPI
 {
 private:
-  /// Loaded modules list
+  using clock = std::chrono::steady_clock;
+
+  /// @brief Loaded modules list
   std::vector<std::shared_ptr<MscEngineModule>> _modules;
+
+  /// @brief Common event bus
   MscEventBus _bus;
 
+  /// @brief Is engine running rn
+  bool _isRunning = false;
+
+  /// @brief Last update time
+  clock::time_point _lastUpdate;
+
 public:
   /// Actual version
   static uint16_t REV;
 
   MscEngine(std::vector<std::shared_ptr<MscEngineModule>> modules);
 
+  /// @brief Start engine
+  void start();
+
+  /// @brief Stop engine
+  void stop();
+
   MscEventBus &getBus() override;
   std::unordered_map<std::string, std::uint16_t> getLoadedModules() const override;
   MscEngineModule &getModule(const std::string &name) override;