Aircoookie fork v2.2.0
Fixes and API improvements from #12
New features:
- DynamicBuffer can now be moved to and from String
- DynamicBuffer can be copied from SharedBuffer
- AsyncWebSocket interface is updated to use DynamicBuffer, clarifying ownership semantics
Fixes:
- contentTypeFor: Fix handling when extension not found
- Fix warnings on ESP32 when debug prints are enabled