Initial commit: Lookbook personal collection app

Pinterest-like app for saving images, videos, quotes, and embeds.

Features:
- Go backend with PostgreSQL, SSR templates
- Console-based admin auth (login/logout via browser console)
- Item types: images, videos (ffmpeg transcoding), quotes, embeds
- Media stored as BLOBs in PostgreSQL
- OpenGraph metadata extraction for links
- Embed detection for YouTube, Vimeo, Twitter/X
- Masonry grid layout, item detail pages
- Tag system with filtering
- Refresh metadata endpoint with change warnings
- Replace media endpoint for updating item images/videos

.gitignore

@@ -0,0 +1,30 @@
+.direnv/
+
+# Environment files
+.env
+.env.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# macOS
+.DS_Store
+
+# OpenCode
+.opencode/
+
+# Go
+/bin/
+*.exe
+*.out
+*.test
+result
+
+# Windows zone identifiers
+*:Zone.Identifier
+
+# Inspiration/test files
+/inspo/