Translations:Release notes 0.19/22/en

Windows Libpacks (prepackaged libraries for compiling FreeCAD on Windows:
 * Libpack for Windows with Qt 5.12, OCC 7.3, and Python 3.6; forum discussion.
 * Libpack for Windows with Qt 5.12.6, OCC 7.4; forum discussion, pull request #2944.
 * Libpack 12.4.2 for Windows with Qt 5.15, OCC 7.5, and Python 3.8; forum discussion