Add XML to all classes in the Card folder, add GainMultipleGems ability class - #343

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v3, actions/setup-dotnet@v3, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Missing XML comment for publicly visible type or member 'CustomLine.text'

Missing XML comment for publicly visible type or member 'CustomLine.speaker'

Missing XML comment for publicly visible type or member 'CustomLine.letterAnimation'

Missing XML comment for publicly visible type or member 'CustomLine.emotion'

Missing XML comment for publicly visible type or member 'CustomLine.p03Face'

Missing XML comment for publicly visible type or member 'CustomLine.implicit operator CustomLine(string)'

Missing XML comment for publicly visible type or member 'CustomLine.ToLine(List<DialogueEvent.Speaker>, DialogueEvent.Speaker)'

Missing XML comment for publicly visible type or member 'CustomLine.CustomLine()'

Missing XML comment for publicly visible type or member 'CustomLine'

XML comment has badly formed XML -- 'Expected an end tag for element 'remarks'.'