Sort apps on Desktop and Settings (#87)

- Sort apps by name
- Make manifest IDs consistent
- Updated screenshots
- Renamed Screenshot app so it always renders at the bottom of the app list

Tactility/Source/AppManifest.h

@@ -70,4 +70,8 @@ typedef struct AppManifest {
     const AppOnHide _Nullable on_hide = nullptr;
 } AppManifest;
 
+struct {
+    bool operator()(const AppManifest* a, const AppManifest* b) const { return a->name < b->name; }
+} SortAppManifestByName;
+
 } // namespace