add three Code warehouse for bearpi

Signed-off-by: Nkeven <likai20@iscas.ac.cn>

sig/sig-devboard/sig_devboard.md

@@ -65,6 +65,9 @@ Note: The content of this SIG follows the convention described in OpenHarmony's
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_device_hihope_build
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_device_hihope_dayu
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_vendor_hihope
+  - device_bearpi: https://gitee.com/openharmony/device_bearpi_bearpi_hm_nano
+  - device_bearpi:https://gitee.com/openharmony/applications_sample_bearpi_hm_nano
+  - device_bearpi:https://gitee.com/openharmony/vendor_bearpi
   - vendor_ohemu: https://gitee.com/openharmony/vendor_ohemu
   - device_qemu: https://gitee.com/openharmony/device_qemu
 

sig/sig-devboard/sig_devboard_cn.md

@@ -66,6 +66,9 @@
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_device_hihope_build
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_device_hihope_dayu
   - device_hoperun:https://gitee.com/openharmony-sig/devboard_vendor_hihope
+  - device_bearpi: https://gitee.com/openharmony/device_bearpi_bearpi_hm_nano
+  - device_bearpi:https://gitee.com/openharmony/applications_sample_bearpi_hm_nano
+  - device_bearpi:https://gitee.com/openharmony/vendor_bearpi
   - vendor_ohemu: https://gitee.com/openharmony/vendor_ohemu
   - device_qemu: https://gitee.com/openharmony/device_qemu
 

sig/sigs.json

@@ -42,6 +42,9 @@
                      "https://gitee.com/openharmony-sig/devboard_device_hihope_build",
                      "https://gitee.com/openharmony-sig/devboard_device_hihope_dayu",
                      "https://gitee.com/openharmony-sig/devboard_vendor_hihope",
+                    " https://gitee.com/openharmony/device_bearpi_bearpi_hm_nano",
+                    "https://gitee.com/openharmony/applications_sample_bearpi_hm_nano",
+                    "https://gitee.com/openharmony/vendor_bearpi",
                      "https://gitee.com/openharmony/vendor_ohemu",
                      "https://gitee.com/openharmony/device_qemu"
                     ],