smarter cmake, conditional hass, still need to do conditional gzip logging

src/hass.cpp

@@ -6,6 +6,8 @@
 #include <nlohmann/json.hpp>
 #include <string>
 
+#ifdef ENABLE_HOME_ASSISTANT
+
 HomeAssistant::HomeAssistant(const Config& config) {
     m_config = config;
 }
@@ -158,3 +160,5 @@ void HomeAssistant::service(const int timeout_ms) const {
 void HomeAssistant::disconnect() const {
     lws_context_destroy(context);
 }
+
+#endif