v0.4.0

• Bump version to 0.4.0 (3608fcb)
• Keep ReShade out of the Setup copy in the install folder (58eaeb4)
• Document the new Setup, the Home shortcut and the log file (beb92dc)
• Check the installation at startup (a44e1fb)
• Open ReShade with the host's shortcut (069bcc2)
• Report bad shortcuts instead of refusing to start (c2ffc85)
• Write the host's messages to RobloxShadeHost.log (0747317)
• Run the installer tests against the new Setup (7bb85ce)
• Replace the Inno Setup installer with a native one (c12eaea)
• Format shortcuts the way the parser reads them (6b72f21)
• Update installer output filenames to include version and adjust README links (adceb5b)
• Update README.md with image size adjustment and star history chart (02873ae)