added create_events migration

db/migrations/1624829187_create_events.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <boost/type_index.hpp>
+
+namespace db {
+  namespace migrations {
+    namespace db_builder = db::migrations::builder;
+
+    class m1624829187_create_events : public Migration {
+      public:
+      m1624829187_create_events() : Migration() {
+        db_builder::Table create_events = db_builder::Table::create("event"
+                                                         ).integer("uid", "PRIMARY KEY"
+                                                         ).integer("year", "NOT NULL"
+                                                         ).integer("month", "NOT NULL"
+                                                         ).integer("day", "NOT NULL"
+                                                         ).integer("hour", "NOT NULL"
+                                                         ).integer("minute", "NOT NULL"
+                                                         ).close();
+        m_statement = create_events.str();
+      }
+    };
+  }
+}