Update portfolio: add AI & settlement projects, consolidate Satmo entries, reorder

- Intro: add AI mention alongside Bitcoin
- About Me: highlight DynamisAI, DTCC settlement projects, drop filler
- What I Do: add AI & Automation card
- Projects: add Digital Securities Settlement, Bond Settlement on DAML, DynamisAI, Fintech Analytics Suite (renamed from QuantViz)
- Consolidate 4 separate Satmo entries into 2 (payment suite + mobile app)
- Consolidate LN Node + POS into single entry
- Remove redundant entries (Jamesco Web Designs, OLM Portal, WP LN Store, Speedtest, JCBTC Store, DiceLN)
- Reorder projects: most impressive first
- Update SEO description

Author: James Tsetsekas