chore(books): Bump pr/alexeykovyazin/#5397: russian FirebirdSQL books (#5538)

* Update free-programming-books-ru.md

Russian resources for FirebirdSQL

* Update books/free-programming-books-ru.md

Co-authored-by: David Ordás <davorpatech@gmail.com>

* Update books/free-programming-books-ru.md

Co-authored-by: David Ordás <davorpatech@gmail.com>

* swap section order

* format(books): alphabetize to fix lint errors

Bumps review EbookFoundation/free-programming-books#5397

git fetch upstream pull/5397/head:pr/alexeykovyazin/5397-russian-firebirdsql

Co-authored-by: Alexey Kovyazin <ak@ib-aid.com>

* chore(books): no multiple resources same repo

Co-authored-by: Alexey Kovyazin <ak@ib-aid.com>
Co-authored-by: Eric Hellman <eric@hellman.net>

books/free-programming-books-ru.md

@@ -61,6 +61,7 @@
 * [Scratch](#scratch)
 * [Smalltalk](#smalltalk)
 * [SQL](#sql)
+  * [FirebirdSQL](#firebirdsql)
   * [PostgreSQL](#postgresql)
 * [Swift](#swift)
 * [TypeScript](#typescript)
@@ -506,12 +507,21 @@
 * [Язык SQL. Базовый курс](https://postgrespro.ru/education/books/sqlprimer) (PDF)
 
 
+#### FirebirdSQL
+
+* [Краткое руководство по миграции на Firebird 4.0](https://github.com/sim1984/fbmigrgd40/releases/download/1.0/doc.rus.pdf) - Denis Simonov (PDF)
+* [Руководство по аппаратному обеспечению для Firebird](http://www.ibase.ru/files/firebird/Firebird_Hardware_Guide_2015_rus.pdf) - IBSurgeon (PDF)
+* [Руководство по написанию UDR на Pascal](https://github.com/sim1984/udr-book) - Denis Simonov ([PDF](https://github.com/sim1984/udr-book/releases/download/1/udr.pdf), [:package: code examples](https://github.com/sim1984/udr-book/tree/master/examples))
+* [Руководство по языку Firebird 3.0](http://www.ibase.ru/files/firebird/Firebird_3_0_Language_Reference_RUS.pdf) - Denis Simonov, Paul Vinkenug, Dmitry Filippov, Dmitry Emanov, Alexander Karpeikin, Dmitry Kuzmenko, Alexey Kovyazin (PDF)
+* [Руководство по языку Firebird 4.0](http://www.ibase.ru/files/firebird/Firebird_4_0_Language_Reference_RUS.pdf) - Dmitry Filippov, Alexander Karpeikin, Alexey Kovyazin, Dmitry Kuzmenko, Denis Simonov, Paul Vinkenoog, Dmitry Emanov, Mark Rotteveel (PDF)
+
+
 #### PostgreSQL
 
 * [Документация](https://postgrespro.ru/docs/postgresql) (PDF)
 * [История о PostgreSQL](http://www.inp.nsk.su/~baldin/PostgreSQL/index.html) - Linux Format
 * [Работа с PostgreSQL - настройка и масштабирование](http://postgresql.leopard.in.ua) - А. Ю. Васильев
-* [PostgreSQL для начинающих](https://postgrespro.ru/education/books/introbook) (PDF)
+* [PostgreSQL для начинающих](https://postgrespro.ru/education/books/introbook) - Luzanov Pavel Veniaminovich, Rogov Yegor Valerievich, Levshin Igor Viktorovich (PDF)
 
 
 ### Swift