put ts in structs

include/app.hpp

@@ -13,17 +13,23 @@
 class Application {
    public:
     struct Config {
-        uint16_t lcd_interval_ms;
-        uint8_t lcd_contrast;
-        std::string lcd_port;
+        struct Lcd {
+            uint16_t refresh_interval_ms;
+            uint8_t contrast;
+            std::string port;
+        };
+        struct HomeAssistant {
+            std::string url;
+            std::string entity;
+            std::string token;
+        };
+        Lcd lcd;
+        HomeAssistant hass;
         std::string cpu_pciaddr;
         std::string gpu_pciaddr;
         std::string sys_sensor;
         std::string sys_ifname;
         std::string home_dir;
-        std::string hass_url;
-        std::string hass_entity;
-        std::string hass_token;
     };
 
     explicit Application(Config config);