add help output

src/command.h

@@ -41,6 +41,16 @@ public:
         this->commands.push_back(command);
     }
 
+    std::string getHelpAsString()
+    {
+        std::string help = "";
+        for (auto &commandInfo : this->commands)
+        {
+            help += commandInfo.name + " - " + commandInfo.description + "\n";
+        }
+        return help;
+    }
+
     void execute(int argc, char *argv[])
     {
 

src/commands.h

@@ -8,6 +8,9 @@ using namespace lpstd::exceptions;
 
 namespace commands
 {
+
+    Command &command = Command::Instance();
+
     void add(int argc, char *argv[])
     {
         std::cout << "add" << std::endl;
@@ -53,8 +56,8 @@ namespace commands
 
     void help(int argc, char *argv[])
     {
-        std::cout << "help" << std::endl;
-        throw NotImplementedException();
+        // std::cout << "help" << std::endl;
+        std::cout << command.getHelpAsString() << std::endl;
     }
 
 } // namespace commands

src/main.h

@@ -3,5 +3,5 @@
 #include "./command.h"
 #include "./commands.h"
 
-Setup setup;
-Command command;
+Setup &setup = Setup::Instance();
+Command &command = Command::Instance();