Tp-Note v1.26.5

This is a maintenance and infrastructure release focused on improving the build system and distribution process.

- Added unified complete-build CI pipeline with flat, standard-named release assets
- Hardened build scripts with robust artifact copy and documentation cleanup
- Updated MSI download URL in winget package script to point to GitHub releases

- Refactored distribution section and consolidated documentation
- Moved winget distribution guide into script preamble for better maintainability

Available as installers and standalone binaries for Windows, macOS, Linux, and Debian/Ubuntu at https://github.com/getreu/tp-note/releases/tag/v1.26.5