Rename to miniSCP; migrate legacy data dirs on boot

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/shared/branding.ts

@@ -1,8 +1,11 @@
 // The single place to rebrand the app. Everything (window title, bundle name,
 // app-data directory, UI header, icon) reads from here.
 export const BRANDING = {
-	appName: "BunSCP",
-	identifier: "es.teknes.bunscp",
+	appName: "miniSCP",
+	identifier: "es.teknes.miniscp",
+	// Previous app names: their app-data folders are migrated on boot
+	// (see migrateLegacyDataDir in src/bun/store/paths.ts).
+	legacyNames: ["BunSCP"],
 	version: "0.1.0",
 	// macOS build converts this .iconset folder into AppIcon.icns.
 	// Regenerate from assets/icon.png with scripts/gen-iconset.sh.