Boot splash and more (#98)

* Boot splash and more

- Added developer sdkconfig
- Refactored the way FreeRTOS includes are included
- Improved Gui/Loader logic
- Implemented boot app with splash screen

* Updated naming for Gui and Loader services

* Renamed Screenshot service methods

* Renames

* Service renames

Tactility/Source/app/boot/Boot.cpp

@@ -0,0 +1,73 @@
+#include <Timer.h>
+#include <Check.h>
+#include <Thread.h>
+#include <Kernel.h>
+#include "Assets.h"
+#include "app/App.h"
+#include "lvgl.h"
+#include "service/loader/Loader.h"
+#include "lvgl/Style.h"
+
+#ifdef ESP_PLATFORM
+#include "sdkconfig.h"
+#else
+#define CONFIG_TT_SPLASH_DURATION 0
+#endif
+
+namespace tt::app::boot {
+
+static int32_t threadCallback(void* context);
+
+struct Data {
+    Data() : thread("", 4096, threadCallback, this) {}
+
+    Thread thread;
+};
+
+static int32_t threadCallback(TT_UNUSED void* context) {
+    TickType_t start_time = tt::get_ticks();
+    // Do stuff
+    TickType_t end_time = tt::get_ticks();
+    TickType_t ticks_passed = end_time - start_time;
+    TickType_t minimum_ticks = (CONFIG_TT_SPLASH_DURATION / portTICK_PERIOD_MS);
+    if (minimum_ticks > ticks_passed) {
+        tt::delay_ticks(minimum_ticks - ticks_passed);
+    }
+    tt::service::loader::stopApp();
+    tt::service::loader::startApp("Desktop");
+    return 0;
+}
+
+static void onShow(TT_UNUSED App& app, lv_obj_t* parent) {
+    Data* data = (Data*)app.getData();
+
+    lv_obj_t* image = lv_image_create(parent);
+    lv_obj_set_size(image, LV_PCT(100), LV_PCT(100));
+    lv_image_set_src(image, TT_ASSETS_BOOT_LOGO);
+    lvgl::obj_set_style_bg_blacken(parent);
+
+    data->thread.start();
+}
+
+static void onStart(App& app) {
+    Data* data = new Data();
+    app.setData(data);
+}
+
+static void onStop(App& app) {
+    Data* data = (Data*)app.getData();
+    data->thread.join();
+    tt_assert(data);
+    delete data;
+}
+
+extern const Manifest manifest = {
+    .id = "Boot",
+    .name = "Boot",
+    .type = TypeBoot,
+    .onStart = onStart,
+    .onStop = onStop,
+    .onShow = onShow,
+};
+
+} // namespace