Rewrite electricity-logger to use an sqlite3 database

include/solar/server/database/database.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#include <solar/server/database/connection.hpp>
+#include <sqlite3.h>
+#include <string>
+
+namespace Database
+{
+    class Database {
+    private:
+        sqlite3 * connectionPtr;
+
+    public:
+        bool Connect(std::string const & path);
+
+        Connection GetConnection() const;
+
+        Database();
+        ~Database();
+    };
+}