Rewrite electricity-logger to use an sqlite3 database

include/electricity/logger/database.hpp

@@ -0,0 +1,15 @@
+#pragma once
+#include <electricity/logger/dsmr.hpp>
+#include <sqlite3.h>
+#include <string>
+
+class Database {
+private:
+    sqlite3 * connectionPtr;
+
+public:
+    void Insert(DSMR::Data const & data, time_t const time);
+
+    Database(std::string const & databaseFilePath);
+    ~Database();
+};