feat: task manager endpoint, updated documentation

include/TaskManager.h

@@ -5,6 +5,7 @@
 #include <string>
 #include <map>
 #include "NodeContext.h"
+#include <ArduinoJson.h>
 
 // Forward declarations to avoid multiple definition errors
 class Task;
@@ -45,6 +46,9 @@ public:
     bool isTaskRunning(const std::string& name) const;
     unsigned long getTaskInterval(const std::string& name) const;
     
+    // Get comprehensive task status information
+    std::vector<std::pair<std::string, JsonObject>> getAllTaskStatuses(JsonDocument& doc) const;
+    
     // Management methods
     void initialize();
     void enableAllTasks();