New target CrazyBeeF3FR (#5420)

* Create target.c

* Add files via upload

* add new target

add new target, CrazyBeeF3FR

* Update target.h

* Update target.h

* Update target.c

* Update target.h

* Update target.c

* Update target.h

* move the 2 jpg to the docs/boards

* add jpg file to docs/boards/

* update picture links of .md file

* try relative reference the pic

* upadte defines form

-#define BEEPER                  PC15
+#define USE_BEEPER
+#define BEEPER_PIN              PC15

#define GYRO
#define USE_GYRO

#define ACC
#define USE_ACC

docs/boards/Board - CrazyBeeF3FR.md

@@ -0,0 +1,74 @@
+# CrazyBee F3 FR
+![CrazyBee F3 FR front](CrazyBeeF3FRtop.jpg)
+![CrazyBee F3 FR back](CrazyBeeF3FRbottom.jpg)
+## Description
+CrazyBee F3 flight controller is a Highly integrated board for 1S Whoop brushless racing drone.
+It might be the world first Tiny whoop size brushless flight controller which integrated Receiver/4in1 ESC/OSD/Current Meter.
+## MCU, Sensors and Features
+
+### Hardware and Features
+
+  - MCU: STM32F303CCT6
+  - IMU: MPU6000 (SPI) 
+  - IMU Interrupt: yes
+  - VCP: yes
+  - OSD: Betaflight OSD
+  - Battery Voltage Sensor: yes
+  - Integrated Voltage Regulator: yes, booster, 5V/800mA
+  - Integrated Current sensor：Max 14A, could be modified to 28A by replace resistor
+  - Integrated Frsky compatible receiver: Frsky_D(D8) and Frsky_X(D16) switchable mode
+  - Buttons: 1 (Receiver bind button)
+  - Integrated 4x Blheli_s ESC: Max 5A per ESC
+  - ESC Connector: 3-pin, PicoBlade 1.25mm pitch
+  - Beeper output: 2-pin, soldering pad
+  - 4 Rx Indicating LEDs: 2 x red  and  2 x white
+
+
+
+## Resource mapping
+
+
+| Label                      | Pin | Timer  | DMA | Default     | Note                             |
+|----------------------------|------|-------|-----|-------------|----------------------------------|
+| MPU6000_INT_EXTI           | PC13 |       |     |             |                                  |
+| MPU6000_CS_PIN             | PA4  |       |     |             |    SPI1                          |
+| MPU6000_SCK_PIN            | PA5  |       |     |             |    SPI1                          |
+| MPU6000_MISO_PIN           | PA6  |       |     |             |    SPI1                          |
+| MPU6000_MOSI_PIN           | PA7  |       |     |             |    SPI1                          |
+| OSD_CS_PIN                 | PB1  |       |     |             |    SPI1                          |
+| OSD_SCK_PIN                | PA5  |       |     |             |    SPI1                          |
+| OSD_MISO_PIN               | PA6  |       |     |             |    SPI1                          |
+| OSD_MOSI_PIN               | PA7  |       |     |             |    SPI1                          |
+| RX_CS_PIN                  | PB12 |       |     |             |    SPI2                          |
+| RX_SCK_PIN                 | PB13 |       |     |             |    SPI2                          |
+| RX_MISO_PIN                | PB14 |       |     |             |    SPI2                          |
+| RX_MOSI_PIN                | PB15 |       |     |             |    SPI2                          |
+| RX_GDO0_PIN                | PA8  |       |     |             |                                  |
+| RX_BIND_PIN                | PA9  |       |     |             |                                  |
+| RX_LED_PIN                 | PA10 |       |     |             |                                  |
+| PWM1                       | PB8  | TIM8, CH2 | |             |                                  |
+| PWM2                       | PB9  | TIM8, CH3 | |             |                                  |
+| PWM3                       | PA3  | TIM2, CH4 | |             |                                  |
+| PWM4                       | PA2  | TIM15,CH1 | |             |                                  |
+| VBAT_ADC_PIN               | PA0  |       |     |             |      ADC1                        |
+| RSSI_ADC_PIN               | PA1  |       |     |             |      ADC1                        |
+| BEEPER                     | PC15 |       |     |             |                                  |
+| UART3 TX                   | PB10 |       |     |             |      will add pinout soon        |
+| UART3 RX                   | PB11 |       |     |             |      will add pinout soon        |
+
+
+## Manufacturers and Distributors
+
+https://www.banggood.com/Racerstar-Crazybee-F3-Flight-Controller-4-IN-1-5A-1S-Blheli_S-ESC-Compatible-Frsky-D8-Receiver-p-1262972.html
+
+## Designers
+
+
+
+## Maintainers
+
+
+## FAQ & Known Issues
+
+## Other Resources
+   User Manual: http://img.banggood.com/file/products/20180209021414Crazybeef3.pdf