Update scripting guide

[zlovatt]

This doc was based on "Illustrator JavaScript Scripting Reference 2017" and could benefit from being updated to reflect the intermediate years' of updates.

Re: #2

[kyletmartinez]

December 17, 2022 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc-2023-v27-1-1-december-2022/m-p/13427648

October 21, 2022 🚫
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-2023-v27-0/m-p/13286234

October 27, 2021 🚫
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-2022/m-p/12475494

June 23, 2021 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2021-v25-3-1-june-2021-release/m-p/12134779

January 17, 2021 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2021-v25-1-january-release/m-p/11760662

October 20, 2020 🚫
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2021/m-p/11522325

November 30, 2019 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2020/m-p/10772375

October 15, 2018 🚫
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2019/m-p/10086254

October 21, 2017 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-illustrator-scripting-cc2018/m-p/9422236

June 21, 2016 ✅
https://community.adobe.com/t5/illustrator-discussions/what-s-new-in-cc2015-3/m-p/8407152