All versions of Brewfather

Added support for direct integration with Brewtools Cloud. The last details are remembered when adding hops. Tools have been improved with an auto-save feature remembering the last used values. Hop Freshness Calculator. Gravity Conversion Tool. Unit Conversion Tools (volume, weight, temperature, pressure). Allow for setting the dilution water amount directly in the mash pH water calculator. Placeholder text fades out when the input field is active.