added example code

.gitignore

+# CMake
+/.cache
+/build
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CMakeLists.txt

+cmake_minimum_required(VERSION 3.0.0)
+project(bs-tutorial-ssh LANGUAGES C VERSION 1.0.0)
+
+add_executable(main
+    ${PROJECT_SOURCE_DIR}/src/main.c
+)
\ No newline at end of file

src/main.c

+#include <stdio.h>
+
+int main() {
+    printf("hey there, World ^^\n");
+    return 0;
+}
\ No newline at end of file