feat: 集成 EasyLogger 并更新 UART DMA 回调

- 集成 EasyLogger，增强日志功能。
- 更新 UART DMA 回调以使用 EasyLogger 记录日志。
- 重新格式化 README.md，提升可读性和清晰度。
- 添加新的 CMSIS DSP 和 FreeRTOS 源文件。
- 更新 CMake 配置以包含 EasyLogger 源文件。

此提交改进了日志功能，为后续开发做好了准备。

Drivers/STM32F1xx_HAL_Driver/LICENSE.txt

@@ -0,0 +1,6 @@
+This software component is provided to you as part of a software package and
+applicable license terms are in the  Package_license file. If you received this
+software component outside of a package or without applicable license terms,
+the terms of the BSD-3-Clause license shall apply. 
+You may obtain a copy of the BSD-3-Clause at:
+https://opensource.org/licenses/BSD-3-Clause