WordCraft licenses and credits

Original source and asset attribution

• ATTRIBUTION.md
• LICENSE-APACHE
• LICENSE-MIT
• NOTICE
• assets/fonts/OFL-Inter.txt
• assets/fonts/OFL-JetBrainsMono.txt
• assets/fonts/OFL-SourceSans3.txt
• assets/fonts/OFL-SourceSerif4.txt
• docs/brand/LICENSE-brand.txt