implemented furi from flipper zero

added cmsis_core, furi, mlib and nanobake
implemented basic app structure from furi
implemented basic placeholder apps

components/nanobake/inc/nb_app.h

@@ -1,49 +1,38 @@
-#ifndef NANOBAKE_NB_APP_H
-#define NANOBAKE_NB_APP_H
-
-#define NB_APP_ID_LENGTH 32
-#define NB_APP_NAME_LENGTH 32
+#pragma once
 
 #include <stdio.h>
 #include <esp_err.h>
 #include <lvgl.h>
 
-// region Forward declarations
-struct nb_platform;
-typedef struct nb_platform nb_platform_t;
-//endregion
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NB_APP_ID_LENGTH 32
+#define NB_APP_NAME_LENGTH 32
 
 typedef enum nb_app_type nb_app_type_t;
 
 enum nb_app_type {
     SERVICE,
     SYSTEM,
-    USER
+    USER,
+    STARTUP
 };
 
 typedef struct nb_app nb_app_t;
 
-typedef void (*nb_app_callback_on_create) (nb_platform_t* platform, lv_obj_t* lv_parent);
-typedef void (*nb_app_callback_update) (nb_platform_t* platform, lv_obj_t* lv_parent);
-typedef void (*nb_app_callback_on_destroy) (nb_platform_t* platform);
+typedef int32_t (*nb_app_entry_point) (void _Nonnull* parameter);
 
 struct nb_app {
-    char id[NB_APP_ID_LENGTH];
-    char name[NB_APP_NAME_LENGTH];
-    nb_app_type_t type;
-    nb_app_callback_on_create _Nullable on_create;
-    nb_app_callback_on_destroy _Nullable on_destroy;
-    nb_app_callback_update _Nullable on_update;
-    size_t update_task_stack_size;
-    uint32_t update_task_priority;
+    const char id[NB_APP_ID_LENGTH];
+    const char name[NB_APP_NAME_LENGTH];
+    const nb_app_type_t type;
+    const nb_app_entry_point _Nullable entry_point;
+    const size_t stack_size;
+    const uint32_t priority;
 };
 
-typedef struct nb_app_instance nb_app_instance_t;
-
-struct nb_app_instance {
-    nb_app_t config;
-};
-
-esp_err_t nb_app_validate(nb_app_t* _Nonnull app);
-
-#endif //NANOBAKE_NB_APP_H
+#ifdef __cplusplus
+}
+#endif