[Marc-André Moreau (mamoreau-devolutions)]

Summary

• Rewrites README.md with a user-oriented layout starting with the Jiffshot logo, overview, hero screenshot, and direct download links to the GitHub Releases and Latest Release pages (x64 and ARM64 MSI installers and portable ZIPs).
• Adds a Quick Start guide and visual tour with screenshots under docs/images/:
  • docs/images/editor.png — Main editor with annotations, Quick Styles, properties panel, and Recent Captures strip
  • docs/images/capture-window.png — Capture Window (All-in-One, Image, and Video tabs)
  • docs/images/capture-overlay.png — Interactive selection overlay with window detection and live pixel magnifier
  • docs/images/editor-smart-tools.png — Smart tools (Text Replace, Smart Move, Fill, Spotlight)
  • docs/images/editor-templates-effects.png — Multi-section templates with drop zones and the Effects panel
  • docs/images/recording-toolbar.png — Floating screen recording toolbar
  • docs/images/video-editor.png — Built-in video editor and animated GIF export options
  • docs/images/library.png — Expanded Capture Library view with search, filters, tags, and pins
  • docs/images/preferences.png — Unified Preferences dialog
• Adds user reference tables for Global Hotkeys, Selection Overlay Controls, Recording & Screen Draw Shortcuts, Editor Shortcuts, Command-Line Usage, and storage paths while keeping all contributor build, MSI packaging, release signing, and testing documentation.