[FL-1443, FL-1289] Move assets compilation to separate Makefile. Add scripts folder. Add OTP flashing with DFU. (#531)

* Assets: move assets compilation to separate Makefile. Move all scripts to scripts folder. Add scripts ReadMe. Add precompiled assets.
* Split assets.py into separate entities. Option bytes for FL-1289 and checker/setter.
* Cli: explicitly initialize variable befor use in api_hal_vcp_rx_with_timeout
* Rename ob_check script to ob.

assets/compiled/assets_icons.h

@@ -0,0 +1,131 @@
+#pragma once
+
+#include <gui/icon.h>
+
+typedef enum {
+	I_SDQuestion_35x43,
+	I_SDError_43x35,
+	I_Health_16x16,
+	I_FaceCharging_29x14,
+	I_BatteryBody_52x28,
+	I_Voltage_16x16,
+	I_Temperature_16x16,
+	I_FaceNopower_29x14,
+	I_FaceNormal_29x14,
+	I_Battery_16x16,
+	I_FaceConfused_29x14,
+	I_PassportBottom_128x17,
+	I_DoorLeft_8x56,
+	I_DoorLocked_10x56,
+	I_DoorRight_8x56,
+	I_DoorLeft_70x55,
+	I_PassportLeft_6x47,
+	I_DoorRight_70x55,
+	I_LockPopup_100x49,
+	I_WalkR2_32x32,
+	I_WalkL2_32x32,
+	I_WalkRB1_32x32,
+	I_Home_painting_17x20,
+	I_WalkLB2_32x32,
+	I_Sofa_40x13,
+	I_WalkLB1_32x32,
+	I_PC_22x29,
+	I_WalkL1_32x32,
+	I_TV_20x20,
+	I_WalkR1_32x32,
+	I_WalkRB2_32x32,
+	I_TV_20x24,
+	I_dir_10px,
+	I_Nfc_10px,
+	I_sub1_10px,
+	I_ir_10px,
+	I_ibutt_10px,
+	I_unknown_10px,
+	I_ble_10px,
+	I_125_10px,
+	I_FX_SittingB_40x27,
+	I_BigGames_24x24,
+	I_BigProfile_24x24,
+	I_DolphinOkay_41x43,
+	I_DolphinFirstStart5_45x53,
+	I_DolphinFirstStart4_67x53,
+	I_DolphinFirstStart2_59x51,
+	I_DolphinFirstStart0_70x53,
+	I_DolphinFirstStart6_58x54,
+	I_DolphinFirstStart1_59x53,
+	I_DolphinFirstStart8_56x51,
+	I_DolphinFirstStart7_61x51,
+	I_Flipper_young_80x60,
+	I_BigBurger_24x24,
+	I_FX_Bang_32x6,
+	I_DolphinFirstStart3_57x48,
+	I_BadUsb_9x8,
+	I_PlaceholderR_30x13,
+	I_Background_128x8,
+	I_Lock_8x8,
+	I_Battery_26x8,
+	I_PlaceholderL_11x13,
+	I_Battery_19x8,
+	I_SDcardMounted_11x8,
+	I_SDcardFail_11x8,
+	I_USBConnected_15x8,
+	I_Bluetooth_5x8,
+	I_Background_128x11,
+	I_IrdaArrowUp_4x8,
+	I_IrdaLearnShort_128x31,
+	I_IrdaArrowDown_4x8,
+	I_IrdaLearn_128x64,
+	I_IrdaSend_128x64,
+	I_IrdaSendShort_128x34,
+	I_passport_happy1_43x45,
+	I_passport_bad3_43x45,
+	I_passport_okay2_43x45,
+	I_passport_bad2_43x45,
+	I_passport_okay3_43x45,
+	I_passport_bad1_43x45,
+	I_passport_happy3_43x45,
+	I_passport_happy2_43x45,
+	I_passport_okay1_43x45,
+	I_ButtonRightSmall_3x5,
+	I_ButtonLeft_4x7,
+	I_ButtonLeftSmall_3x5,
+	I_ButtonRight_4x7,
+	I_ButtonCenter_7x7,
+	A_Games_14,
+	A_Plugins_14,
+	A_Passport_14,
+	A_Sub1ghz_14,
+	A_NFC_14,
+	A_Tamagotchi_14,
+	A_FileManager_14,
+	A_125khz_14,
+	A_U2F_14,
+	A_Infrared_14,
+	A_Power_14,
+	A_Settings_14,
+	A_iButton_14,
+	A_Bluetooth_14,
+	A_GPIO_14,
+	I_DolphinMafia_115x62,
+	I_DolphinExcited_64x63,
+	I_iButtonDolphinSuccess_109x60,
+	I_iButtonDolphinVerySuccess_108x52,
+	I_iButtonKey_49x44,
+	I_DolphinNice_96x59,
+	I_DolphinWait_61x59,
+	A_Wink_128x64,
+	A_MDWL_32x32,
+	A_MDWR_32x32,
+	A_WatchingTV_128x64,
+	A_MDI_32x32,
+	A_MDWRB_32x32,
+	A_MDIB_32x32,
+	A_FX_Sitting_40x27,
+	A_MDWLB_32x32,
+	I_KeySave_24x11,
+	I_KeyBackspaceSelected_16x9,
+	I_KeySaveSelected_24x11,
+	I_KeyBackspace_16x9,
+} IconName;
+
+Icon * assets_icons_get(IconName name);

assets/compiled/assets_icons_i.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <assets_icons.h>
+
+const IconData * assets_icons_get_data(IconName name);