Add database initialization script

database.rb

@@ -0,0 +1,39 @@
+#!/bin/env ruby
+# frozen_string_literal: true
+
+require 'sequel'
+require 'date'
+
+DB = Sequel.connect 'sqlite://database.db'
+DB.create_table? :user do
+  primary_key :id
+  String :name
+  String :email
+  String :phone
+  Integer :card_number
+  TrueClass :active
+  TrueClass :proedreio
+  TrueClass :asylia
+  TrueClass :banned
+  Integer :apousies
+  Float :balance
+  Integer :telegram_id
+end
+
+DB.create_table? :settings do
+  Integer :max_apousies
+  Float :prova_cost
+end
+
+DB.create_table? :log_entry do
+  primary_key :entry_id
+  datetime :timestamp
+  foreign_key :id, :user
+  Float :amount_paid
+  Float :amount_donated
+  String :comments
+  TrueClass :ban
+  TrueClass :apousia
+  TrueClass :proedreio
+  TrueClass :asylia
+end