[x] Basic+Advanced: Switched to new proposed colour scheme.
[x] Basic: "Fire Behaviour Outputs" in Basic heading.
[x] Basic: Style sliders to match color of results.
[x] Basic: Adjust font size, shorten description & styling of result.
[x] Advanced: Match styling applied to basic.
[x] Advanced: Remove fuel type dropdown (was problematic when combined with preset selection), remove Crown fuel load as input (show as output), remove crown base height (show as output).
[x] About: Add a link to our repository, switch license to small monospace font, fix version mentioned.
[x] Basic+Advanced: Change "Crowning" to "Continuous Crowning".
[x] Basic+Advanced: Changed fire intensity colour palette.
[x] Tech: Automated testing in github workflow.
[x] Tech: Automated build (web + iOS) in github workflow.
[x] Basic+Advanced: 60 minute fire size change from 0 to 1 decimal places.
[x] Basic+Advanced: Modified elevation input keyboard type to match Lat/Long (we don't need decimal or sign, but that's the only way to get the apple keyboard to behave).
[x] Basic+Advanced: Rounding more inputs to 2 decimal places (or 0) for more consistent results.
[x] Basic+Advanced: Fix bug where negative elevation value could be entered and cause a crash.