FIrst public release

What's Changed

• Remember last-used firmware device source by @otaj in #25
• feat: restore scroll position and add catalog jump controls by @otaj in #24
• feat: show large screenshots on app and watchface detail by @otaj in #23
• fix: refresh already-downloaded UI after clearing output folder by @otaj in #26
• feat: fetch full firmware release history by @otaj in #27
• refactor: store catalog schema with Drift ORM by @otaj in #28
• fix: use watchface:// for watchface install QR by @otaj in #29
• feat: show collected store catalog devices and clarify detail copy by @otaj in #30
• fix: keep proprietary Google metadata out of release APKs by @otaj in #32
• fix: query apps and watchfaces with the device API level by @otaj in #33
• fix: prevent install QR AlertDialog LayoutBuilder crash by @otaj in #34
• perf: lazy-render store catalog for faster jump scroll by @otaj in #37
• fix: share one StoreCatalogService across Apps and Watchfaces by @otaj in #36
• fix: isolate ExpansionTile PageStorage from catalog scroll offset by @otaj in #35
• fix: show watchface previews in the detail screenshot gallery by @otaj in #38
• ci: lint shell scripts with ShellCheck via uvx by @otaj in #39
• docs: on-device app screenshots and README gallery by @otaj in #40
• refactor: broad codebase cleanup (behavior-preserving) by @otaj in #41
• fix: match Flutter flavored split APK filenames in release by @otaj in #42
• fix: check prodReleaseRuntimeClasspath for Google libs by @otaj in #43

Full Changelog: v0.0.3...v0.0.4