[FL-3629] fbt: reworked assets & resources handling (#3160)

* fbt: reworking targets & assets handling WIP
* fbt: dist fixes
* fbt: moved SD card resources to owning apps
* unit_tests: moved resources to app folder
* github: updated unit_tests paths
* github: packaging fixes
* unit_tests: fixes
* fbt: assets: internal cleanup
* fbt: reworked assets handling
* github: unit_tests: reintroducing fixes
* minor cleanup
* fbt: naming changes to reflect private nature of scons tools
* fbt: resources: fixed dist archive paths
* docs: updated paths
* docs: updated more paths
* docs: included "resources" parameter in app manifest docs; updated assets readme
* updated gitignore for assets
* github: updated action versions
* unit_tests: restored timeout; scripts: assets: logging changes
* gh: don't upload desktop animations for unit test run

Co-authored-by: あく <alleteam@gmail.com>

targets/furi_hal_include/furi_hal_bt_serial.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <services/serial_service.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX SERIAL_SVC_DATA_LEN_MAX
+
+typedef enum {
+    FuriHalBtSerialRpcStatusNotActive,
+    FuriHalBtSerialRpcStatusActive,
+} FuriHalBtSerialRpcStatus;
+
+/** Serial service callback type */
+typedef SerialServiceEventCallback FuriHalBtSerialCallback;
+
+/** Start Serial Profile
+ */
+void furi_hal_bt_serial_start();
+
+/** Stop Serial Profile
+ */
+void furi_hal_bt_serial_stop();
+
+/** Set Serial service events callback
+ *
+ * @param buffer_size   Applicaition buffer size
+ * @param calback       FuriHalBtSerialCallback instance
+ * @param context       pointer to context
+ */
+void furi_hal_bt_serial_set_event_callback(
+    uint16_t buff_size,
+    FuriHalBtSerialCallback callback,
+    void* context);
+
+/** Set BLE RPC status
+ *
+ * @param status        FuriHalBtSerialRpcStatus instance
+ */
+void furi_hal_bt_serial_set_rpc_status(FuriHalBtSerialRpcStatus status);
+
+/** Notify that application buffer is empty
+ */
+void furi_hal_bt_serial_notify_buffer_is_empty();
+
+/** Send data through BLE
+ *
+ * @param data  data buffer
+ * @param size  data buffer size
+ *
+ * @return      true on success
+ */
+bool furi_hal_bt_serial_tx(uint8_t* data, uint16_t size);
+
+#ifdef __cplusplus
+}
+#endif