Christmas Release (v2.1.0)

What's Changed

• Graceful handling of API request errors by @louis-e in #64
• my improvements by @vfosnar in #69
• another round of my improvements by @vfosnar in #71
• Allow hyphen at start of bbox argument by @scd31 in #73
• fix chunk file in wrong location by @scd31 in #74
• Wide rivers by @scd31 in #76
• Make north point north by @scd31 in #75
• river performance improvements by @scd31 in #77
• Memory improvements by @scd31 in #78
• allow custom world scales by @scd31 in #79
• Raise the world by @scd31 in #82
• revert a small world change by @scd31 in #83
• Clippy fixes by @scd31 in #80
• Don't download region.template from github by @scd31 in #81
• Fix region file creation and template writing in create_region function by @louis-e in #84
• Implemented GUI by @louis-e in #89

New Contributors

• @vfosnar made their first contribution in #69
• @scd31 made their first contribution in #73

Full Changelog: v2.0.0...v2.1.0