feat: Add JPEG decoder configuration and fix LCD color inversion

Devices/es3c28p/Source/devices/Display.cpp

@@ -28,7 +28,7 @@ std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
         .swapXY = true,
         .mirrorX = false,
         .mirrorY = false,
-        .invertColor = false,
+        .invertColor = true,
         .swapBytes = true,
         .bufferSize = LCD_BUFFER_SIZE,
         .touch = createTouch(),

Tactility/Source/app/files/SupportedFiles.cpp

@@ -10,8 +10,10 @@ bool isSupportedAppFile(const std::string& filename) {
 }
 
 bool isSupportedImageFile(const std::string& filename) {
-    // Currently only the PNG library is built into Tactility
-    return string::lowercase(filename).ends_with(".png");
+    std::string filename_lower = string::lowercase(filename);
+    return filename_lower.ends_with(".png") ||
+           filename_lower.ends_with(".jpg") ||
+           filename_lower.ends_with(".jpeg");
 }
 
 bool isSupportedTextFile(const std::string& filename) {