pain: vanhemmat versiot ja versiohistoria

# What's New in PAIN v3.2

### Cross-Platform Collaboration
• **Seamless OS Sharing:** Upgraded `CMakePresets.json`. Hardcoded user paths are now gone, replaced by the universally resolved `$env{VCPKG_ROOT}`. A friend on Linux or macOS can now `git clone` your Windows-made PAIN project and run `pain build` with absolutely zero path errors!

### UX & Quality of Life
• **The "PowerShell Hang" has been resolved:** Globally disabled `vcpkg` telemetry via the `VCPKG_DISABLE_METRICS` environment variable. PAIN will no longer silently freeze waiting for invisible Y/N prompts during commands such as `pain doctor`.
• **More Throbbers:** Added the Throbber to heavy background tasks like bootstrapping the toolchain and compiling large libraries so that you won't have to guess if pain or the terminal has frozen/crashed.

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# Upgrade Instructions for Existing Users

1. Download the new `pain.exe` from the assets below.
2. Replace the old `pain.exe` in your global System PATH folder.
3. In your existing projects, delete the `CMakePresets.json` file (PAIN will automatically regenerate the new cross-platform version on your next run).
4. Run `pain clean` to delete the `build/` directory.
5. Run `pain sync` to ensure everything is linked correctly, and you are done!

# Instructions for New Users

Simply download `pain.exe` and the `readme.txt` file, then follow the instructions in the README to add it to your system PATH. Once done, you’ll be able to run `pain` from any directory in your terminal.

If you are not on Windows, you will unfortunately have to compile PAIN yourself.

Feel free to check out the repository and the Markdown files for more details.

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