Added 𝗨𝗣𝗗𝗔𝗧𝗘 𝟳 - 𝗙𝗿𝗲𝗲𝗕𝗦𝗗 𝗗𝗲𝘃𝗶𝗰𝗲 𝗗𝗿𝗶𝘃𝗲𝗿𝘀 - 𝗙𝗿𝗼𝗺 𝗙𝗶𝗿𝘀𝘁 𝗦𝘁𝗲𝗽𝘀 𝘁𝗼 𝗞𝗲𝗿𝗻𝗲𝗹 𝗠𝗮𝘀𝘁𝗲𝗿𝘆 [UPDATE 7 - FreeBSD Device Drivers - From First Steps to Kernel Mastery] to 𝗕𝗼𝗼𝗸𝘀 𝗔𝗯𝗼𝘂𝘁 𝗙𝗿𝗲𝗲𝗕𝗦𝗗 [Books About FreeBSD] article.
https://vermaden.wordpress.com/2022/02/04/books-about-freebsd#UPDATE7
