Datasworn for truths

[ben]

• [x] Update the truths dialog to use DS2 for structure
• [x] Update the truths Vue code to properly render Foundry links
• [x] Update the first-start dialog to allow user to choose truths dialog to launch
• [x] Update the settings to allow launching of all three sets of truths
• [x] Retire the old truths dialog and its data
• [ ] Update CHANGELOG.md