chore: sync from actuator_ctrl as new template baseline

- Add SEGGER_RTT support
- Revert .vscode/ to gitignore (project-specific IDE config)
- Updated CMakeLists.txt, board_config.h, main.c from actuator_ctrl

SDK/SEGGER_RTT/CMakeLists.txt

@@ -0,0 +1,12 @@
+project(SEGGER_RTT LANGUAGES C)
+
+add_library(SEGGER_RTT STATIC
+    SEGGER_RTT.c
+    SEGGER_RTT_printf.c
+)
+
+target_include_directories(SEGGER_RTT PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_link_libraries(SEGGER_RTT PUBLIC CMSIS)