Release v6.0.0-beta.70 · electron/forge

What's Changed

docs: generate custom docs sidebar by @VerteDinde in #2974
refactor: add / use named exports for plugins + makers + publishers by @MarshallOfSound in #2996
docs: add READMEs to packages by @georgexu99 in #2986
chore: upgrade electron-wix-msi to 4.0.0 by @georgexu99 in #3003
build: fix some yarn audit output by @MarshallOfSound in #3002
refactor(maker-squirrel): ensure Squirrel.Windows name doesn't contain hyphens by @erickzhao in #3004
chore: bump electron-wix-msi to 5.0.0 by @VerteDinde in #3008
chore: fix links from userland migration by @georgexu99 in #3010
Release 6.0.0 beta.69 by @VerteDinde in #3011
fix(template-typescript-webpack): clean up forge config code by @erickzhao in #3009
fix(template-typescript-webpack): webpack entrypoint extensions by @erickzhao in #3014
fix(template-typescript-webpack): properly load forge.config.ts by @erickzhao in #3016
build: add icon property to MakerWixConfig by @VerteDinde in #3017

Full Changelog: v6.0.0-beta.69...v6.0.0-beta.70