migrate to c++, all layers done except for data access

cli/dao.cpp

@@ -0,0 +1,27 @@
+#include <cstdlib>
+#include <vector>
+
+#include "include/dao.h"
+
+using namespace std;
+
+void Dao::populate_env() {
+    this->api_key = getenv("FRONTEND_API_KEY");
+    this->db_url = getenv("DB_URL");
+}
+
+ticket_t Dao::fetch_ticket_create(string title, string description) {
+    
+}
+
+vector<ticket_t> Dao::fetch_ticket_get_all() {
+
+}
+
+vector<ticket_t> Dao::fetch_ticket_get_by_status(string status) {
+
+}
+
+ticket_t Dao::fetch_ticket_get_by_id(unsigned long id) {
+
+}