ci: Update PowerShell workflows; Add checksum publish workflow

fix: .rtpack single-pass

feat: .rtpack file registration / Japanese translation (#115)

Translation by @KiRura

fix: Launch / Install button functions (#108)

feat: Installer v2 GUI (#105)

Merge Prelease into Main (#95)

Merge pull request #47 from BetterRTX/prerelease

upd: Branch sync

Merge pull request #28 from BetterRTX/prerelease

Version Fix

Releasing Version 1.1.0 of the installer!

v1.1 Update

Merge pull request #24 from ABUCKY0/ABUCKY0-patch-1

Update README.md