Add gallery core and command: routes, sidebar, search, code panel, browser hook

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

cmd/gallery/main.go

@@ -0,0 +1,28 @@
+// Command gallery opens the CrychicUI gallery on desktops and browsers.
+package main
+
+import (
+	"log"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/CrychicUI/gallery"
+	"github.com/egoist/mygo"
+	"github.com/egoist/mygo/ui"
+)
+
+func main() {
+	app := gallery.New("/")
+	hook(app)
+	mygo.App.WhenReady(func() {
+		mygo.NewWindow(mygo.WindowOptions{
+			Title:     "CrychicUI",
+			Width:     1280,
+			Height:    820,
+			MinWidth:  720,
+			MinHeight: 480,
+			Content:   ui.View(app.View),
+		})
+	})
+	if err := mygo.App.Run(); err != nil {
+		log.Fatal(err)
+	}
+}