Bump v1.6.0 * Add & update Weblate translations * Add option to set client credentials * Update Python image to v3.10.x * Update Foris JS library to v5.5.0 * Fix server address validation * Fix spelling and grammar mistakes * Make DownloadButton unclickable when user's input is wrong * Restructure & update Makefile * Capitalize principal letters in headings * Some other improvements * NPM audit fix