v4.21.0

NAME "Changelog"
-- Official SFM Discord:
-- https://discord.gg/5mbUY3mu6m
-- Official SFM Donation Page:
-- https://ko-fi.com/teamdman

---- 4.21.0 ----
-- Add intellisense, disabled by default - backslash to accept suggestion
-- Bottom left button in program edit screen now opens editor config
-- Fix missing focus highlight from tab-navigation of buttons in manager screen
-- Fix syntax highlighting for "SECOND" keyword
-- Fix escaped quotes in strings containing the escaping backslash
-- Add reminder when SFM crashes the game that there's a config to turn off managers
-- Add hotkey reminder to ctrl+i overlay
-- Fix disconnect issue when clearing facades from cables

Full Changelog: 4.20.0-1.21.1...4.21.0-1.21.1