Implement our own database ORM, and update the whole code to use it

Entirely replace LiteSQL

fix #3271

src/database/column.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <cstdint>
+
+template <typename T>
+struct Column
+{
+    using real_type = T;
+    T value;
+};
+
+struct Id: Column<std::size_t> { static constexpr auto name = "id_";
+                                 static constexpr auto options = "PRIMARY KEY AUTOINCREMENT"; };