feat(school_stm32): 添加基础的 STM32F103RCT6 项目结构

- 创建了项目的基本目录结构和文件
- 添加了 CMakeLists.txt 和 Makefile 构建配置
- 创建了 main.c 文件，实现了简单的 LED 闪烁和按键检测功能
- 集成了 SEGGER RTT 库
- 添加了 .gitignore 文件，排除了不必要的生成文件

CMakeLists.txt

@@ -0,0 +1,76 @@
+cmake_minimum_required(VERSION 3.22)
+
+#
+# This file is generated only once,
+# and is not re-generated if converter is called multiple times.
+#
+# User is free to modify the file as much as necessary
+#
+
+# Setup compiler settings
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS ON)
+
+
+# Define the build type
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Debug")
+endif()
+
+# Set the project name
+set(CMAKE_PROJECT_NAME embedding)
+
+# Include toolchain file
+include("cmake/gcc-arm-none-eabi.cmake")
+
+# Enable compile command to ease indexing with e.g. clangd
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
+
+# Core project settings
+project(${CMAKE_PROJECT_NAME})
+message("Build type: " ${CMAKE_BUILD_TYPE})
+
+# Enable CMake support for ASM and C languages
+enable_language(C ASM)
+
+# Create an executable object type
+add_executable(${CMAKE_PROJECT_NAME})
+
+# Add STM32CubeMX generated sources
+add_subdirectory(cmake/stm32cubemx)
+
+# Link directories setup
+target_link_directories(${CMAKE_PROJECT_NAME} PRIVATE
+    # Add user defined library search paths
+)
+
+# Add sources to executable
+target_sources(${CMAKE_PROJECT_NAME} PRIVATE
+    # Add user sources here
+    libs/SEGGER_RTT/RTT/SEGGER_RTT.c
+    libs/SEGGER_RTT/RTT/SEGGER_RTT_printf.c
+    libs/SEGGER_RTT/RTT/SEGGER_RTT_ASM_ARMv7M.S
+    # SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c
+    libs/ge_interface/ge_input.c
+    libs/ge_interface/ge_render.c
+)
+
+# Add include paths
+target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
+    # Add user defined include paths
+    libs
+    # Core/Inc
+)
+
+# Add project symbols (macros)
+target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE
+    # Add user defined symbols
+)
+
+# Add linked libraries
+target_link_libraries(${CMAKE_PROJECT_NAME}
+    stm32cubemx
+
+    # Add user defined libraries
+)