AIRAC 2112

What's Changed

• Update to the GeoJSON file format by @NelisV in #462
• Closing Loops + readme by @NelisV in #464
• remove FIR boundaries file by @mbozwood in #468
• Airac 2111 (#463) by @mbozwood in #465
• Minor updates to VATPAC Boundaries by @vatpacais in #469
• HSPN rename by @Adrian2k in #472
• VATPRC Update 2112 by @XCSWxcsw in #466
• readme fix by @NelisV in #475

Full Changelog: v2111.1...v2112.1