Implement Player Class

Introduce a Player Class

• A player has a faction and money, that has to be used when training units
• A player has start and end turn functions to help setting up
• Level has a turn Queue for all players of the level and a changeTurn Function that cycles throught the players

Closes #3 (closed), #23 (closed), #31 (closed), #32 (closed)

src/game/ui/Menu.cpp

 #include "Menu.hpp"
 #include "../Building.hpp"
-#include "../Level.hpp"
 #include "../Config.hpp"
+#include "../Level.hpp"
 #include "../Spritesheet.hpp"
 #include "../Tile.hpp"
 #include "../Unit.hpp"
@@ -72,7 +72,7 @@ void Menu::render(Engine& engine)
     {
         SDL_Texture* titleTexture = SDL_CreateTextureFromSurface(engine.renderer(), titleSurface);
         SDL_Rect     titleRect = {
-                static_cast<int>((800 - titleSurface->w) / 2), 50, titleSurface->w, titleSurface->h};
+            static_cast<int>((800 - titleSurface->w) / 2), 50, titleSurface->w, titleSurface->h};
         SDL_RenderCopy(engine.renderer(), titleTexture, nullptr, &titleRect);
         SDL_DestroyTexture(titleTexture);
         SDL_FreeSurface(titleSurface);
@@ -89,8 +89,8 @@ void Menu::render(Engine& engine)
 
         SDL_Texture* textTexture = SDL_CreateTextureFromSurface(engine.renderer(), textSurface);
         SDL_Rect     textRect = {
-                static_cast<int>((800 - textSurface->w) / 2), static_cast<int>(150 + i * 50),
-                textSurface->w, textSurface->h};
+            static_cast<int>((800 - textSurface->w) / 2), static_cast<int>(150 + i * 50),
+            textSurface->w, textSurface->h};
         SDL_RenderCopy(engine.renderer(), textTexture, nullptr, &textRect);
 
         SDL_DestroyTexture(textTexture);
@@ -126,7 +126,6 @@ void Menu::handleEvent(Engine& engine, SDL_Event& event)
             {
                 std::cout << "Starting game..." << std::endl;
 
-
                 // Construct a level
                 std::vector<Tile> tiles;
                 for (int y = 0; y < 20; y++)
@@ -203,7 +202,7 @@ void Menu::handleEvent(Engine& engine, SDL_Event& event)
                 //     std::make_shared<Level>("Osnabrück", 20, 20, tiles, buildings, units,
                 //     effects, std::queue<Player>{});
 
-                engine.pushScene(Level::loadLevel("../res/level.h5"));
+                engine.pushScene(Level::loadLevel("../res/level.h5", engine));
             }
             else if (m_options[m_selectedOption] == "Options")
             {