[2021] [LE Tools] Build planner is updated to 0.8.2

Hey guys, sorry for the delay, build planner is finally updated to 0.8.2g. This mostly includes UI revamp (which was the main cause of the delay), but also covers new idol grid plus minor fixes.

https://www.lastepochtools.com/planner/

Feel free to post any questions, suggestions and bug reports in the forum thread.