Fix blog post filename to Jekyll format

Rename from "2025-11-02 How met I vibe coding.md"
to "2025-11-02-how-i-met-vibe-coding.md"

Jekyll requires post filenames in format: YYYY-MM-DD-title-with-hyphens.md

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

Author: dearcloud09